A183673 Number of (n+1)X(n+1) 0..7 arrays with every 2X2 subblock summing to 14

344, 10088, 252920, 5836328, 128141624

Offset

1,1

Comments

Diagonal of A183680

Links

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

Example

Some solutions for 3X3
..5..2..1....6..1..3....5..2..5....5..0..3....6..6..0....2..2..3....4..4..0
..0..7..4....2..5..5....4..3..4....4..5..6....0..2..6....7..3..6....1..5..5
..6..1..2....5..2..2....7..0..7....2..3..0....7..5..1....4..0..5....4..4..0

Crossrefs

Sequence in context: A340173 A115221 A065499 * A231028 A185746 A202904

Adjacent sequences: A183670 A183671 A183672 * A183674 A183675 A183676

Keyword

nonn

Author

R. H. Hardin Jan 06 2011

Status

approved