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A156477 Number of nXn arrays of squares of integers, symmetric about main diagonal, with all rows summing to 22. +0
1
4, 84, 2772, 508190, 123856526, 64461381670, 82168021684448, 394312187045210712 (list; graph; listen)
OFFSET

3,1

CROSSREFS

Sequence in context: A069441 A006344 A053352 this_sequence A024259 A024260 A099706

Adjacent sequences: A156474 A156475 A156476 this_sequence A156478 A156479 A156480

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Feb 09 2009

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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