A251007 Number of (n+1)X(5+1) 0..2 arrays with no 2X2 subblock having its maximum diagonal element less than the absolute difference of its antidiagonal elements

242326, 90065275, 33363057374, 12371981931569, 4588026318857390, 1701457658126732221, 630984636213514464079, 234000347784114605555925, 86778907675983370074821343, 32181914173181580007450194390

Offset

1,1

Comments

Column 5 of A251010

Links

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

Example

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

Crossrefs

Sequence in context: A281887 A127881 A134857 * A078871 A249209 A066082

Adjacent sequences: A251004 A251005 A251006 * A251008 A251009 A251010

Keyword

nonn

Author

R. H. Hardin, Nov 29 2014

Status

approved