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A254803 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
2201616, 4771368, 11836406, 34896603, 105040512, 253515215, 434785178, 1133168035, 3388002996, 9547411698, 26675577140, 69844593335, 198216306984, 551414962883, 1593064659184, 4364229224264, 12092092436966, 33432090895408 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A254804
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..1..0..0
..0..1..0..1..1..0..1..1..0....0..0..0..0..0..0..1..0..0
..1..1..0..1..0..1..1..1..1....1..0..0..0..0..0..0..1..1
CROSSREFS
Sequence in context: A234332 A251342 A019289 * A254810 A253819 A307963
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 08 2015
STATUS
approved

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Last modified July 13 09:52 EDT 2024. Contains 374274 sequences. (Running on oeis4.)