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A146520
Number of n X n arrays of squares of integers summing to 26 with every element equal to at least one neighbor.
1
4, 64, 34120, 15748194, 7568305274, 4203938567056
OFFSET
2,1
CROSSREFS
Sequence in context: A362383 A051191 A120581 * A030176 A033635 A138835
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 14 2009
STATUS
approved