A146505 Number of n X n arrays of squares of integers summing to 17 with every element equal to at least one neighbor.

0, 0, 10016, 1836316, 343374056, 53152847310, 1848921431172, 27886760910447

Offset

2,3

Links

Table of n, a(n) for n=2..9.

Crossrefs

Sequence in context: A190149 A052095 A033533 * A202653 A210130 A213319

Adjacent sequences: A146502 A146503 A146504 * A146506 A146507 A146508

Keyword

nonn

Author

R. H. Hardin, Apr 14 2009

Status

approved