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A146502 Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 15 and every element equal to at least one neighbor. 2
0, 186, 41444, 7687870, 8221000176, 599346431860 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

LINKS

Table of n, a(n) for n=3..8.

CROSSREFS

Sequence in context: A206515 A299830 A265171 * A231055 A068257 A226675

Adjacent sequences: A146499 A146500 A146501 * A146503 A146504 A146505

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 14 2009

STATUS

approved

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Last modified December 1 23:44 EST 2022. Contains 358485 sequences. (Running on oeis4.)