0,3

A linear 2nd order recurrence.

O.g.f: -x/(-1+9*x+5*x^2) . - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 02 2007

Sequence in context: A015580 A108427 A029711 this_sequence A028339 A100814 A055725

Adjacent sequences: A015578 A015579 A015580 this_sequence A015582 A015583 A015584

nonn,easy

Olivier Gerard (ogerard(AT)ext.jussieu.fr)