A185854 Number of (n+1) X 8 0..2 arrays with no 2 X 2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2 X 2 subblock diagonal sum less antidiagonal sum.

18611050, 25625942242, 36143110498108, 50708343182050686, 71377927265924630008

Offset

1,1

Comments

Column 7 of A185856.

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for 3 X 8
..0..0..1..0..2..1..0..0....0..0..1..0..0..2..2..2....0..0..1..0..1..1..1..0
..0..0..0..0..0..2..2..0....0..0..0..0..2..0..1..0....0..0..0..0..0..2..2..2
..0..1..1..0..1..2..0..0....0..1..1..0..0..2..1..0....0..1..1..0..2..0..2..2

Crossrefs

Cf. A185856.

Sequence in context: A203884 A209959 A140171 * A073033 A251389 A138025

Adjacent sequences: A185851 A185852 A185853 * A185855 A185856 A185857

Keyword

nonn

Author

R. H. Hardin Feb 05 2011

Status

approved