A254388 Number of (n+2) X (6+2) 0..1 arrays with every 3 X 3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

5659548, 623732385, 73650997253, 7980237415038, 888855697665528, 99661265319327258, 11088064556797882883, 1236684605022204911362, 137991192206912153123794, 15387689249403606576378884, 1716296382095803543443832674, 191436678705537555963971436038

Offset

1,1

Links

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

Example

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

Crossrefs

Column 6 of A254390.

Sequence in context: A254921 A290162 A251018 * A254395 A253983 A246055

Adjacent sequences: A254385 A254386 A254387 * A254389 A254390 A254391

Keyword

nonn

Author

R. H. Hardin, Jan 29 2015

Status

approved