A183651 Number of (n+1)X9 0..4 arrays with every 2x2 subblock summing to 8

2517805, 3771425, 6663805, 13653545, 31446805, 79273025

Offset

1,1

Comments

Column 8 of A183652

Links

Table of n, a(n) for n=1..6.

Example

Some solutions for 3X9
..0..0..0..2..2..0..3..3..3....1..0..0..4..2..2..1..3..0
..4..4..4..2..2..4..1..1..1....3..4..4..0..2..2..3..1..4
..0..0..0..2..2..0..3..3..3....1..0..0..4..2..2..1..3..0

Crossrefs

Sequence in context: A234910 A233927 A157769 * A259628 A251857 A096557

Adjacent sequences: A183648 A183649 A183650 * A183652 A183653 A183654

Keyword

nonn

Author

R. H. Hardin Jan 06 2011

Status

approved