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| A188419
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Number of (4*n) X n binary arrays with rows in nonincreasing order, four 1's in every column and no more than three 1's in any row.
(history;
published version)
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#6 by Wesley Ivan Hurt at Fri Aug 19 15:13:54 EDT 2022
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#5 by Wesley Ivan Hurt at Fri Aug 19 15:13:47 EDT 2022
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| NAME
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Number of (4*n) X n)Xn binary arrays with rows in nonincreasing order, 4four ones1's in every column and no more than 3three ones1's in any row.
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| COMMENTS
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Row 4 of A188416.
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| EXAMPLE
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All solutions for 8 X 8X22
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| CROSSREFS
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Cf. A188416.
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| AUTHOR
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_R. H. Hardin_ _, Mar 30 2011
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| STATUS
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approved
editing
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#4 by Russ Cox at Sat Mar 31 12:36:12 EDT 2012
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| AUTHOR
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_R. H. Hardin (rhhardin(AT)att.net) _ Mar 30 2011
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Discussion
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| Sat Mar 31
| 12:36
| OEIS Server: https://oeis.org/edit/global/875
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#3 by Ron Hardin at Wed Mar 30 12:43:48 EDT 2011
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#2 by Ron Hardin at Wed Mar 30 12:43:43 EDT 2011
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| NAME
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allocatedNumber of (4*n)Xn binary arrays with rows in nonincreasing order, 4 ones in every column and no more than 3 ones forin Ronany Hardinrow
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| DATA
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1, 5, 81, 3217, 252493, 33313408, 6720357785, 1943505834628, 768799728447441
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| OFFSET
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1,2
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| COMMENTS
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Row 4 of A188416
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| EXAMPLE
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All solutions for 8X2
..1..0....1..1....1..1....1..1....1..1
..1..0....1..1....1..1....1..0....1..1
..1..0....1..1....1..1....1..0....1..0
..1..0....1..1....1..0....1..0....1..0
..0..1....0..0....0..1....0..1....0..1
..0..1....0..0....0..0....0..1....0..1
..0..1....0..0....0..0....0..1....0..0
..0..1....0..0....0..0....0..0....0..0
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| KEYWORD
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allocated
nonn
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| AUTHOR
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R. H. Hardin (rhhardin(AT)att.net) Mar 30 2011
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| STATUS
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approved
proposed
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#1 by Ron Hardin at Wed Mar 30 12:35:23 EDT 2011
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| NAME
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allocated for Ron Hardin
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| KEYWORD
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allocated
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| STATUS
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approved
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