A146349 Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 11 and every element equal to at least one neighbor.

0, 70, 4322, 5922628, 263152508, 2962900186, 18395486320, 81624918686

Offset

3,2

Links

Table of n, a(n) for n=3..10.

Crossrefs

Sequence in context: A319735 A258374 A363297 * A180884 A238540 A060057

Adjacent sequences: A146346 A146347 A146348 * A146350 A146351 A146352

Keyword

nonn

Author

R. H. Hardin, Apr 14 2009

Status

approved