A009618 Expansion of sinh(x)*cos(log(1+x)).

0, 1, 0, -2, 12, -59, 300, -1700, 10808, -76835, 604440, -5201734, 48397140, -480836407, 5029687572, -54376704304, 590140657200, -6060696430375, 49142463616368, 25189857279350, -16700280706496420, 638685917560435181

Offset

0,4

Links

Table of n, a(n) for n=0..21.

Mathematica

Sinh[ x ]*Cos[ Log[ 1+x ] ]

Crossrefs

Sequence in context: A282435 A001758 A037133 * A143770 A062478 A005430

Adjacent sequences: A009615 A009616 A009617 * A009619 A009620 A009621

Keyword

sign,easy

Author

R. H. Hardin

Extensions

Extended with signs by Olivier Gérard, Mar 15 1997

Status

approved