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A156502
Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 38.
0
2, 108, 80, 22640, 182640, 60084184, 1377842504, 1573982139776
OFFSET
3,1
CROSSREFS
Sequence in context: A340054 A267550 A224819 * A111456 A157067 A364616
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 09 2009
STATUS
approved