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Search: id:A146294
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A146294 Number of nXn arrays of squares of integers with every (n-1)X(n-1) subblock summing to 8 and every element equal to at least one neighbor. +0
2
4, 6, 13372, 569370, 4490816, 20143086, 67388028, 187458768, 458291208, 1017185004, 2092976212, 4050199948, 7448027128, 13117064768 (list; graph; listen)
OFFSET

3,1
CROSSREFS

Sequence in context: A137024 A054264 A077305 this_sequence A133982 A069179 A058377

Adjacent sequences: A146291 A146292 A146293 this_sequence A146295 A146296 A146297

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Apr 14 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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