id:A024338 - OEIS Search Results

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Expansion of ln(1+x).ln(1+tan(x))/2.

+0
1

0, 0, 1, -3, 15, -80, 542, -4158, 37228, -374592, 4237120, -53017712, 729890528, -10957004864, 178355968576, -3129133077376, 58889303575296, -1183497066823680, 25300855990394880, -573326855846475776 (list; graph; listen)

	OFFSET	`0,4`
	MATHEMATICA	`Log[ 1+x ]*Log[ 1+Tan[ x ] ]/2`
	CROSSREFS	`A009422.` `Sequence in context: A002514 A093889 A020044 this_sequence A003448 A084120 A163470` `Adjacent sequences: A024335 A024336 A024337 this_sequence A024339 A024340 A024341`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs 03/97.`

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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.

AT&T Labs Research