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Search: id:A156485
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A156485 Number of nXn arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 26. +0
1
2, 0, 96, 88, 9866, 64560, 10075588, 176105168, 80948165500, 4500246590912 (list; graph; listen)
OFFSET

2,1

CROSSREFS

Sequence in context: A136559 A009740 A132860 this_sequence A009270 A033838 A046065

Adjacent sequences: A156482 A156483 A156484 this_sequence A156486 A156487 A156488

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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