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A156407
Number of 11 X 11 arrays of squares of integers, symmetric about the diagonal and under 90-degree rotation, with all rows summing to n.
0
1, 0, 0, 0, 112, 0, 0, 0, 80, 0, 0, 291, 1380, 0, 0, 0, 468, 0, 0, 868, 1680, 0, 0, 0, 3500, 0, 0, 4560, 1180, 0, 0, 0, 5030, 0, 0, 5603, 13884, 0, 0, 0, 16464, 0, 0, 10520, 28039, 0, 0, 0, 18060, 0, 0, 30480, 37500, 0, 0, 0, 37704, 0, 0, 38588, 16080, 0, 0, 0, 30068, 0, 0, 91760
OFFSET
0,5
CROSSREFS
Sequence in context: A176194 A261820 A262661 * A292155 A341011 A103849
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 09 2009
STATUS
approved