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Revision History for A252513

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Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 2 5 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 2 5 6 or 7
(history; published version)

#4 by R. H. Hardin at Thu Dec 18 06:58:13 EST 2014

STATUS

editing

approved

#3 by R. H. Hardin at Thu Dec 18 06:58:09 EST 2014

LINKS

R. H. Hardin, <a href="/A252513/b252513.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Thu Dec 18 06:57:52 EST 2014

NAME

allocated for R. H. Hardin

Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 2 5 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 2 5 6 or 7

DATA

17709, 231372, 767176, 1808374, 5219625, 17585706, 59046724, 209788816, 715958046, 2479308557, 9956085785, 36534703306, 134720021233, 603603095063, 2333291306912, 8984713129479, 43067974596056, 171022136230496

OFFSET

1,1

COMMENTS

Column 7 of A252514

EXAMPLE

Some solutions for n=1

..2..3..1..3..1..3..1..2..2....1..3..1..1..0..1..1..3..1

..3..1..3..1..3..1..3..1..2....0..2..0..0..2..0..0..2..0

..2..3..1..3..1..3..1..2..2....1..0..1..1..0..1..1..0..1

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Dec 18 2014

STATUS

approved

editing

#1 by R. H. Hardin at Thu Dec 18 06:50:09 EST 2014

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved