1,1

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

G.f.: x(-4x^4+57x^3-14x^2-25x+2)/[(1-x)(1-14x+x^2)].

Cf. A051047.

Sequence in context: A056788 A091859 A085873 this_sequence A163852 A051399 A080582

Adjacent sequences: A051045 A051046 A051047 this_sequence A051049 A051050 A051051

nonn

Eric Weisstein (eric(AT)weisstein.com)