id:A012667 - OEIS Search Results

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Expansion of sin(tanh(x)*tan(x)).

+0
3

2, -8, -159328, -1254489728, -20109957303808, -562928915963168768, -18213125504516311441408, 1487241135313514473061711872, 1254993904880106790594284355715072 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`sin(tanh(x)tan(x))=2/2!x^2-8/6!x^6-159328/10!x^10...`
	MATHEMATICA	`Sin[ Tanh[ x ]Tan[ x ] ] ( [ x^(4n+2) ] *)`
	CROSSREFS	`Sequence in context: A081979 A012672 A024340 this_sequence A124075 A019315 A127558` `Adjacent sequences: A012664 A012665 A012666 this_sequence A012668 A012669 A012670`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research