A183650 Number of (n+1)X8 0..4 arrays with every 2x2 subblock summing to 8

535333, 867205, 1664533, 3684925, 9103453, 24478885

Offset

1,1

Comments

Column 7 of A183652

Links

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

Example

Some solutions for 3X8
..1..0..1..4..2..0..1..2....0..0..3..2..2..0..3..0....0..1..1..4..1..1..2..3
..3..4..3..0..2..4..3..2....4..4..1..2..2..4..1..4....3..4..2..1..2..4..1..2
..1..0..1..4..2..0..1..2....0..0..3..2..2..0..3..0....0..1..1..4..1..1..2..3

Crossrefs

Sequence in context: A344945 A269322 A227497 * A273812 A210124 A237323

Adjacent sequences: A183647 A183648 A183649 * A183651 A183652 A183653

Keyword

nonn

Author

R. H. Hardin Jan 06 2011

Status

approved