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Search: id:A146555
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A146555 Number of nXn arrays of squares of integers summing to 40 with every element equal to at least one neighbor. +0
2
4, 128, 120672, 102504963, 209207867680 (list; graph; listen)
OFFSET

2,1
CROSSREFS

Sequence in context: A000318 A141367 A141368 this_sequence A057134 A041495 A117897

Adjacent sequences: A146552 A146553 A146554 this_sequence A146556 A146557 A146558

KEYWORD

nonn

AUTHOR

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

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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