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A253870
Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
1
21426176, 1655991552, 114921882112, 8415694011136, 581987474157824, 41030428849264384, 2875255935248467200, 201731703872924598016, 14106287920390974847744, 987973194711235568769792
OFFSET
1,1
COMMENTS
Column 7 of A253871
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..0..0..1..0..0..0....0..0..1..1..1..0..0..0..0
..0..0..0..1..0..0..0..1..0....0..0..0..0..1..1..1..1..0
..1..1..0..1..1..1..1..1..0....0..0..0..0..1..0..0..1..1
CROSSREFS
Sequence in context: A189123 A206108 A034613 * A253877 A253543 A334372
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 17 2015
STATUS
approved