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A146299 Number of nXn arrays of squares of integers with every (n-2)X(n-2) subblock summing to 8 and every element equal to at least one neighbor. +0
2
8, 18, 107798, 6685156, 62777794, 313834602, 1129602808, 3313914698, 8438118356, 19340801916 (list; graph; listen)
OFFSET

4,1

CROSSREFS

Sequence in context: A001151 A138492 A022512 this_sequence A081968 A076096 A017485

Adjacent sequences: A146296 A146297 A146298 this_sequence A146300 A146301 A146302

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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