id:A024236 - OEIS Search Results

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

+0
2

0, 1, -2, 48, -1040, 62720, -4314624, 498003968, -70081316864, 13529482592256, -3175495421788160, 933402531586899968, -326784893253162369024, 136568449424117316190208, -66517446960602151366164480 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Log[ 1+Tan[ x ]x ]/2 ( Even Part *)`
	CROSSREFS	`A009379.` `Cf. A101921.` `Sequence in context: A035606 A157057 A009670 this_sequence A119703 A012803 A135394` `Adjacent sequences: A024233 A024234 A024235 this_sequence A024237 A024238 A024239`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs 03/97.`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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