A250980 Number of (n+1)X(6+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements

2227408, 2594308975, 3000977166321, 3476591604928509, 4027179649653568467, 4665050923272559405591, 5403961231550447362641701, 6259908822295432951121546315, 7251432322763247882238782480911

Offset

1,1

Comments

Column 6 of A250982

Links

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

Example

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

Crossrefs

Sequence in context: A307963 A172802 A172851 * A203275 A034608 A224628

Adjacent sequences: A250977 A250978 A250979 * A250981 A250982 A250983

Keyword

nonn

Author

R. H. Hardin, Nov 29 2014

Status

approved