1,2

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

n^3/4 * (n^2 + 1)^2.

Cf. A052459, A052461.

Sequence in context: A019561 A128954 A022147 this_sequence A128799 A104672 A086027

Adjacent sequences: A052457 A052458 A052459 this_sequence A052461 A052462 A052463

nonn,easy

Eric Weisstein (eric(AT)weisstein.com)