A009669 - OEIS

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A009669

Expansion of tan(sin(x))/cosh(x).

1, -2, 12, -296, 8208, -317088, 22384832, -1922265216, 200049877248, -28532108907008, 4916900759571456, -987493645187344384, 241526023834975735808, -69201642972421758361600 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,2`
	LINKS	`Table of n, a(n) for n=0..13.`
	MATHEMATICA	`Tan[ Sin[ x ] ]/Cosh[ x ] (* Odd Part *)`
	CROSSREFS	`Sequence in context: A008338 A000178 A108395 * A202729 A012380 A012377` `Adjacent sequences: A009666 A009667 A009668 * A009670 A009671 A009672`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`
	STATUS	`approved`

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Last modified May 22 09:05 EDT 2013. Contains 225516 sequences.