A146546 Number of n X n arrays of squares of integers summing to 31 with every element equal to at least one neighbor.

0, 124, 44488, 32035106, 30803948024

Offset

2,2

Links

Table of n, a(n) for n=2..6.

Crossrefs

Sequence in context: A299828 A280905 A146516 * A146553 A009805 A227393

Adjacent sequences: A146543 A146544 A146545 * A146547 A146548 A146549

Keyword

nonn

Author

R. H. Hardin Apr 14 2009

Status

approved