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A159421 Number of n X n arrays of squares of integers summing to 28. 1
12, 18180, 17678180, 23906871625, 33142751210880, 40920467881841016, 39881847574391332064, 27839801028626330786100, 12898777607987820532044600, 3796362296831030040318923015, 708799758875178944116824699876 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

R. H. Hardin, Table of n, a(n) for n = 2..100

Vaclav Kotesovec, G.f. for A159421

FORMULA

G.f.: see link above. - Vaclav Kotesovec, Dec 04 2012

CROSSREFS

Sequence in context: A013514 A340166 A125547 * A159369 A175882 A216874

Adjacent sequences:  A159418 A159419 A159420 * A159422 A159423 A159424

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 11 2009

STATUS

approved

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Last modified September 29 04:50 EDT 2022. Contains 357082 sequences. (Running on oeis4.)