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A009657 Expansion of tan(sin(sin(x))). 0
1, 0, -12, 88, 4176, -238912, -1798976, 1359954560, -82934087424, -12122717059072, 3176281608315904, -22431206333925376, -144730933261140701184, 27574419119401032040448, 6996748839515967274205184 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..14.

MATHEMATICA

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

CROSSREFS

Sequence in context: A155635 A126507 A181704 * A012088 A083825 A181944

Adjacent sequences:  A009654 A009655 A009656 * A009658 A009659 A009660

KEYWORD

sign

AUTHOR

R. H. Hardin

EXTENSIONS

Extended with signs by Olivier Gérard, Mar 15 1997

STATUS

approved

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Last modified November 19 03:23 EST 2019. Contains 329310 sequences. (Running on oeis4.)