A009686 Expansion of tan(sinh(x).exp(x)).

0, 1, 2, 6, 32, 232, 1952, 18928, 211584, 2677504, 37670912, 582734592, 9835366400, 179895500800, 3544111063040, 74812812851200, 1684542923735040, 40302006976086016, 1020944014293204992

Offset

0,3

Links

Table of n, a(n) for n=0..18.

Mathematica

Tan[ Sinh[ x ]*Exp[ x ] ]

Crossrefs

Sequence in context: A321086 A111550 A261398 * A012318 A012521 A211195

Adjacent sequences: A009683 A009684 A009685 * A009687 A009688 A009689

Keyword

nonn,easy

Author

R. H. Hardin

Extensions

Extended and signs tested Mar 15 1997 by Olivier Gérard.

Status

approved