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A172608
Number of 7*n X 7 0..1 arrays with row sums 3 and column sums 3*n
1
68938800, 617944896216648000, 12218892645550878420052920000, 337799058758556439723480176591336120000, 11251027489082268563385494644966780470231583948800
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OFFSET
1,1
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..13
CROSSREFS
Sequence in context:
A084071
A251615
A321706
*
A294989
A204405
A186618
Adjacent sequences:
A172605
A172606
A172607
*
A172609
A172610
A172611
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified August 18 20:19 EDT 2024. Contains 375275 sequences. (Running on oeis4.)