A009704 Expansion of tan(tan(x).exp(x)).

0, 1, 2, 7, 36, 277, 2422, 24939, 292488, 3893577, 57581162, 937884143, 16663799724, 320906530973, 6656135961438, 147944310556051, 3507720648511504, 88369892016844561, 2357319985504634066

Offset

0,3

Links

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

Mathematica

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

Crossrefs

Sequence in context: A112293 A090352 A123549 * A141308 A185161 A012712

Adjacent sequences: A009701 A009702 A009703 * A009705 A009706 A009707

Keyword

nonn,easy

Author

R. H. Hardin

Extensions

Extended and signs tested Mar 15 1997 by Olivier Gérard.

Status

approved