A156397 Number of 8X8 arrays of squares of integers, symmetric under 90 degree rotation, with all rows summing to n.

1, 12, 90, 276, 426, 480, 870, 1344, 1483, 1836, 3402, 4968, 5154, 5112, 9414, 12552, 9522, 8508, 16116, 20712, 19896, 19200, 27630, 39192, 36876, 24936, 42252, 64764, 58704, 50376, 70422, 82656, 78655, 66192, 78600, 114540, 136182, 112320, 137472

Offset

0,2

Links

Table of n, a(n) for n=0..38.

Crossrefs

Sequence in context: A034197 A217089 A245577 * A203636 A121590 A341388

Adjacent sequences: A156394 A156395 A156396 * A156398 A156399 A156400

Keyword

nonn

Author

R. H. Hardin Feb 09 2009

Status

approved