id:A009422 - OEIS Search Results

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

+0
2

0, 0, 2, -6, 30, -160, 1084, -8316, 74456, -749184, 8474240, -106035424, 1459781056, -21914009728, 356711937152, -6258266154752, 117778607150592, -2366994133647360, 50601711980789760, -1146653711692951552 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Log[ 1+x ]*Log[ 1+Tan[ x ] ]`
	CROSSREFS	`Sequence in context: A122763 A166078 A005432 this_sequence A057221 A127115 A096769` `Adjacent sequences: A009419 A009420 A009421 this_sequence A009423 A009424 A009425`
	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 November 24 14:25 EST 2009. Contains 167438 sequences.

AT&T Labs Research