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A096963 Sum {0<d|n, n/d odd} d^11. 3
1, 2048, 177148, 4194304, 48828126, 362799104, 1977326744, 8589934592, 31381236757, 100000002048, 285311670612, 743012564992, 1792160394038, 4049565171712, 8649804864648, 17592186044416, 34271896307634 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

H. H. Chan and C. Krattenthaler, Recent progress in the study of representations of integers as sums of squares

FORMULA

G.f.: Sum {n>0} n^11 * x^n / (1-x^(2n)).

CROSSREFS

Cf. A007331, A096960, A096961, A096962.

Sequence in context: A017686 A008455 A079395 * A134684 A035769 A107565

Adjacent sequences:  A096960 A096961 A096962 * A096964 A096965 A096966

KEYWORD

nonn

AUTHOR

Ralf Stephan, Jul 18 2004

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Last modified February 16 12:41 EST 2012. Contains 205909 sequences.