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A156397 Number of 8X8 arrays of squares of integers, symmetric under 90 degree rotation, with all rows summing to n. 0
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified April 12 19:50 EDT 2021. Contains 342932 sequences. (Running on oeis4.)