A156396 Number of 8 X 8 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.

1, 76, 954, 3924, 7010, 9312, 32990, 78688, 83987, 74764, 239978, 459944, 417378, 337208, 881382, 1651208, 1559914, 1022492, 2133044, 4562152, 4561976, 2742240, 5100574, 10606296, 10001476, 5884232, 10075588, 19311868, 20173552, 13485160

Offset

0,2

Links

Table of n, a(n) for n=0..29.

Crossrefs

Sequence in context: A324626 A137146 A156388 * A233365 A264627 A136539

Adjacent sequences: A156393 A156394 A156395 * A156397 A156398 A156399

Keyword

nonn

Author

R. H. Hardin Feb 09 2009

Status

approved