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A156382
Number of 4X4 arrays of squares of integers, symmetric about main diagonal, with all rows summing to n.
0
1, 10, 18, 10, 11, 42, 42, 10, 18, 68, 60, 42, 20, 68, 96, 42, 11, 84, 114, 68, 60, 130, 84, 42, 42, 142, 228, 158, 34, 210, 240, 52, 18, 174, 240, 210, 127, 110, 252, 130, 60, 276, 318, 142, 84, 390, 192, 84, 20, 198, 474, 324, 134, 180, 486, 174, 96, 286, 198, 300, 174
OFFSET
0,2
CROSSREFS
Sequence in context: A002744 A320930 A337325 * A214894 A368477 A084487
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 09 2009
STATUS
approved