A146479 Number of n X n arrays of squares of integers summing to 12 with every element equal to at least one neighbor.

0, 78, 2915, 413255, 27664684, 443065607, 3534941139, 18915573187, 78095787882, 268541796601

Offset

2,2

Links

Table of n, a(n) for n=2..11.

Crossrefs

Sequence in context: A140934 A133239 A210407 * A017794 A035734 A017741

Adjacent sequences: A146476 A146477 A146478 * A146480 A146481 A146482

Keyword

nonn

Author

R. H. Hardin Apr 14 2009

Status

approved