A254489 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

3727552, 186999040, 8552031360, 410218207872, 18812857512320, 871411470160000, 39860323285338752, 1827469551074952320, 83709155693842678400, 3847122344420401165440, 176332171765012162587264

Offset

1,1

Comments

Column 6 of A254491

Links

R. H. Hardin, Table of n, a(n) for n = 1..198

Example

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

Crossrefs

Sequence in context: A187644 A136287 A254496 * A253861 A114683 A184647

Adjacent sequences: A254486 A254487 A254488 * A254490 A254491 A254492

Keyword

nonn

Author

R. H. Hardin, Jan 31 2015

Status

approved