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

21426176, 1655991552, 114921882112, 8415694011136, 581987474157824, 41030428849264384, 2875255935248467200, 201731703872924598016, 14106287920390974847744, 987973194711235568769792

Offset

1,1

Comments

Column 7 of A253871

Links

R. H. Hardin, Table of n, a(n) for n = 1..54

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

Adjacent sequences: A253867 A253868 A253869 * A253871 A253872 A253873

Keyword

nonn

Author

R. H. Hardin, Jan 17 2015

Status

approved