A146495 Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 12 and every element equal to at least one neighbor.

0, 110, 7784, 7887197, 779518382, 12933542223, 102446287404

Offset

3,2

Links

Table of n, a(n) for n=3..9.

Crossrefs

Sequence in context: A251029 A111600 A111784 * A063751 A266179 A163664

Adjacent sequences: A146492 A146493 A146494 * A146496 A146497 A146498

Keyword

nonn

Author

R. H. Hardin Apr 14 2009

Status

approved