A009668 Expansion of tan(sin(x))/cos(x).

1, 4, 32, 432, 10752, 504832, 35418112, 3115462656, 333569720320, 44698511474688, 7574890049699840, 1575934549490139136, 387157222106970718208, 110017544405171642040320

Offset

0,2

Links

Table of n, a(n) for n=0..13.

Mathematica

Tan[ Sin[ x ] ]/Cos[ x ] (* Odd Part *)

Crossrefs

Sequence in context: A140178 A366685 A088991 * A005121 A327379 A214379

Adjacent sequences: A009665 A009666 A009667 * A009669 A009670 A009671

Keyword

nonn

Author

R. H. Hardin

Extensions

Extended and signs tested Mar 15 1997 by Olivier Gérard.

Status

approved