A250840 Number of (n+1)X(7+1) 0..2 arrays with no 2X2 subblock having a diagonal absolute difference less than its antidiagonal absolute difference

2675635, 1205380713, 553718971855, 256366497513917, 118947843549835731, 55226227713562079429, 25646762400407469919163, 11911174342202938398470089, 5532081145536472032108574239, 2569368807013663085048218187385

Offset

1,1

Comments

Column 7 of A250841

Links

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

Example

Some solutions for n=1
..0..0..2..1..0..0..0..2....0..0..2..2..0..0..1..1....0..0..0..0..2..1..1..2
..0..0..2..0..0..2..2..1....0..2..0..0..2..2..1..2....0..0..1..2..0..1..1..0

Crossrefs

Sequence in context: A251044 A151513 A147712 * A121108 A046517 A199998

Adjacent sequences: A250837 A250838 A250839 * A250841 A250842 A250843

Keyword

nonn

Author

R. H. Hardin, Nov 27 2014

Status

approved