A185500 Number of (n+1)X4 0..2 arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum

163, 4451, 41643, 511253, 5616321, 64545575, 727129819, 8283584625, 93761899297, 1065767584217, 12080527740895, 137188686654855, 1555953195033973, 17662716526799485, 200379471621898891, 2274227720558492871

Offset

1,1

Comments

Column 3 of A185504

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

Some solutions for 3X4
..1..0..1..0....0..1..2..0....0..1..1..1....0..1..2..2....0..0..0..2
..1..1..2..1....2..2..2..1....1..1..0..0....2..2..2..1....2..2..0..0
..0..1..2..1....2..2..2..2....1..1..0..0....2..2..2..1....2..2..1..2

Crossrefs

Sequence in context: A167627 A109343 A217644 * A305723 A232260 A027543

Adjacent sequences: A185497 A185498 A185499 * A185501 A185502 A185503

Keyword

nonn

Author

R. H. Hardin Jan 29 2011

Status

approved