A253405 - OEIS

A253405

Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum plus antidiagonal minimum unequal to its neighbors horizontally, vertically and ne+sw antidiagonally.

646240, 638602, 1489310, 7437150, 30756372, 196170260, 954233428, 4184013494, 23948788480, 123736222078, 533052293254, 3116669936220, 15687449192482, 68617590941736, 395367044525650, 2007468414696700, 8759855652090420

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OFFSET

1,1

COMMENTS

Column 6 of A253407.

LINKS

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

EXAMPLE

Some solutions for n=1

..2..0..1..0..1..2..0....1..0..1..0..0..2..0....0..0..0..0..1..2..1

..2..2..2..0..0..1..1....1..0..0..2..0..1..1....2..1..0..2..0..2..2

CROSSREFS