id:A009649 - OEIS Search Results

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Expansion of tan(ln(1+x)*cos(x)).

+0
1

0, 1, -1, 1, -12, 35, -195, 1979, -13552, 131333, -1540845, 16920341, -219934044, 3138657015, -46097651327, 745768998623, -12886218266880, 233789283755465, -4532667637516281, 92739558324236905, -1991654643609977740 (list; graph; listen)

	OFFSET	`0,5`
	MATHEMATICA	`Tan[ Log[ 1+x ]*Cos[ x ] ]`
	CROSSREFS	`Sequence in context: A058968 A121805 A103472 this_sequence A007794 A008653 A038006` `Adjacent sequences: A009646 A009647 A009648 this_sequence A009650 A009651 A009652`
	KEYWORD	`sign,easy`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research