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A156508
Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 44.
0
2, 44, 48, 22618, 262332, 192850444, 6858194432, 9780453956696
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OFFSET
3,1
LINKS
Table of n, a(n) for n=3..10.
CROSSREFS
Sequence in context:
A177490
A203498
A156478
*
A239865
A007367
A006313
Adjacent sequences:
A156505
A156506
A156507
*
A156509
A156510
A156511
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 09 2009
STATUS
approved
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Last modified June 28 04:29 EDT 2024. Contains 373761 sequences. (Running on oeis4.)