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A156404 Number of 10 X 10 arrays of squares of integers, symmetric under 90-degree rotation, with all rows summing to n. 0
1, 0, 810, 0, 23280, 0, 68180, 0, 175765, 0, 760131, 0, 2108280, 0, 3657680, 0, 5281910, 0, 13033260, 0, 29182380, 0, 37198440, 0, 46154300, 0, 85583500, 0, 202480300, 0, 193358000, 0, 232585695, 0, 373884780, 0, 747469740, 0, 798622160, 0, 860249751, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..41.

CROSSREFS

Sequence in context: A332848 A160561 A346716 * A282376 A203844 A068278

Adjacent sequences:  A156401 A156402 A156403 * A156405 A156406 A156407

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 09 2009

STATUS

approved

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Last modified September 22 18:56 EDT 2021. Contains 347608 sequences. (Running on oeis4.)