A257423 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

150016, 367929, 1557227, 5985744, 12316842, 36423140, 96141548, 259492076, 731002818, 2006564512, 5318291482, 14692484638, 40355053494, 110377628368, 302224479476, 826432640142, 2255634882902, 6168274420830, 16861966553132

Offset

1,1

Comments

Column 5 of A257426

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=1
..0..1..0..1..1..0..1....0..1..0..0..1..1..0....0..0..1..1..0..1..1
..0..0..0..1..1..1..0....0..1..1..1..1..1..0....1..0..0..0..0..0..0
..1..0..1..0..1..1..0....0..1..0..0..1..1..1....1..1..1..1..0..0..1

Crossrefs

Cf. A257426

Sequence in context: A210094 A236900 A184503 * A257430 A254239 A051651

Adjacent sequences: A257420 A257421 A257422 * A257424 A257425 A257426

Keyword

nonn

Author

R. H. Hardin, Apr 22 2015

Status

approved