id:A009442 - OEIS Search Results

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Expansion of ln(1+x/cos(x)).

+0
1

0, 1, -1, 5, -18, 109, -720, 5977, -56336, 612729, -7453440, 100954061, -1502172672, 24395453861, -429076910080, 8128143367905, -164961704478720, 3571195811862385, -82142328351817728, 2000535014776893973 (list; graph; listen)

	OFFSET	`0,4`
	MATHEMATICA	`Log[ 1+x/Cos[ x ] ]`
	CROSSREFS	`Sequence in context: A165962 A127756 A158455 this_sequence A036688 A009348 A009365` `Adjacent sequences: A009439 A009440 A009441 this_sequence A009443 A009444 A009445`
	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 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research