A254386 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

136868, 4711324, 174326376, 6208345944, 221610958936, 7953519068760, 284691702793848, 10191880755435432, 365002334364846728, 13069563587899442888, 467982287345007065480, 16757507575401906562696

Offset

1,1

Comments

Column 4 of A254390

Links

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

Example

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

Crossrefs

Sequence in context: A236448 A232143 A237470 * A254393 A253981 A191819

Adjacent sequences: A254383 A254384 A254385 * A254387 A254388 A254389

Keyword

nonn

Author

R. H. Hardin, Jan 29 2015

Status

approved