A251297 Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock summing to 3 6 or 9

67204, 1221748, 24846540, 579830068, 15595789732, 475709341972, 15983177343168, 574357430022192, 21570855922182588, 833318578006296572, 32774523853539209184, 1303789288402465686964, 52243908745934340568048

Offset

1,1

Comments

Column 5 of A251300

Links

R. H. Hardin, Table of n, a(n) for n = 1..134

Example

Some solutions for n=1
..0..3..0..1..2..2....3..2..1..3..0..3....1..3..2..3..0..0....1..2..1..3..0..0
..3..3..3..2..1..1....1..3..3..2..1..2....2..0..1..3..0..3....2..1..2..0..3..0

Crossrefs

Sequence in context: A235892 A253976 A237777 * A251849 A359334 A226529

Adjacent sequences: A251294 A251295 A251296 * A251298 A251299 A251300

Keyword

nonn

Author

R. H. Hardin, Dec 01 2014

Status

approved