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A156497 Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 36. 0
1, 2, 8, 127, 7011, 1441324, 1060428518, 4031182499262, 44780594451612813 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..9.

CROSSREFS

Sequence in context: A009360 A202648 A193481 * A064205 A081856 A038533

Adjacent sequences:  A156494 A156495 A156496 * A156498 A156499 A156500

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 09 2009

STATUS

approved

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Last modified August 9 07:11 EDT 2022. Contains 356019 sequences. (Running on oeis4.)