A146545 Number of n X n arrays of squares of integers summing to 30 with every element equal to at least one neighbor.

0, 132, 48330, 29269010, 23421826314

Offset

2,2

Links

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

Crossrefs

Sequence in context: A175410 A146522 A183500 * A181194 A227596 A267951

Adjacent sequences: A146542 A146543 A146544 * A146546 A146547 A146548

Keyword

nonn

Author

R. H. Hardin Apr 14 2009

Status

approved