1,2

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

G.f.: Sum {n>0} n^7 * x^n / (1-x^(2n)).

Cf. A007331, A096960, A096962, A096963.

Sequence in context: A046456 A092759 A056574 this_sequence A019564 A128802 A022150

Adjacent sequences: A096958 A096959 A096960 this_sequence A096962 A096963 A096964

nonn

Ralf Stephan, Jul 18 2004