A251340 Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock summing to a nonzero multiple of 3

72375, 1487375, 36988354, 1151715397, 43807665267, 1921884757552, 91970680872031, 4623720852303067, 238904752638164194, 12533399410057395845, 663156544051782139723, 35257699651874025415400, 1879661570818351400907467

Offset

1,1

Comments

Column 5 of A251343

Links

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

Example

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

Crossrefs

Sequence in context: A229322 A269320 A126658 * A183788 A369238 A093212

Adjacent sequences: A251337 A251338 A251339 * A251341 A251342 A251343

Keyword

nonn

Author

R. H. Hardin, Dec 01 2014

Status

approved