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Search: id:A146497
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A146497 Number of nXn arrays of squares of integers with every (n-1)X(n-1) subblock summing to 13 and every element equal to at least one neighbor. +0
2
0, 20, 17226, 8194791, 1995724092, 51267367432 (list; graph; listen)
OFFSET

3,2
CROSSREFS

Adjacent sequences: A146494 A146495 A146496 this_sequence A146498 A146499 A146500

Sequence in context: A045811 A086687 A028667 this_sequence A060618 A064487 A099187

KEYWORD

nonn

AUTHOR

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

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Last modified November 7 06:03 EST 2009. Contains 165913 sequences.

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