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A156389
Number of 6X6 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.
0
1, 20, 84, 136, 110, 232, 635, 616, 308, 788, 1718, 1568, 926, 1412, 2952, 3200, 1430, 1804, 5414, 6024, 3154, 3552, 7838, 7232, 3923, 5024, 9866, 13400, 8094, 6888, 16076, 17304, 6308, 8852, 23020, 23480, 16008, 13276, 22640, 27472, 16570, 11736, 31662
OFFSET
0,2
CROSSREFS
Sequence in context: A041778 A219473 A256869 * A044207 A044588 A172221
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 09 2009
STATUS
approved