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A159419
Number of n X n arrays of squares of integers summing to 27.
1
28, 16116, 14716400, 17547521700, 21378476192500, 22816180566321408, 18948625670323338752, 11124067715313274949520, 4288978222994601696340900, 1045961376841768655168875700, 162402641585664781495373931248, 16666926568578454036579011148484
OFFSET
2,1
LINKS
Vaclav Kotesovec, G.f. for A159419
FORMULA
G.f.: see link above. - Vaclav Kotesovec, Dec 04 2012
CROSSREFS
Sequence in context: A349718 A134772 A085408 * A147291 A147304 A221897
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 11 2009
STATUS
approved