id:A009375 - OEIS Search Results

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

+0
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0, 1, -1, 7, -26, 165, -1216, 10827, -111376, 1316585, -17441536, 257028847, -4164440576, 73616009805, -1409649350656, 29070305745267, -642306123237376, 15137914082015825, -379068323095576576, 10050622525103392087 (list; graph; listen)

	OFFSET	`0,4`
	MATHEMATICA	`Log[ 1+Tan[ x ]*Cosh[ x ]]`
	CROSSREFS	`Sequence in context: A050476 A026617 A026683 this_sequence A009380 A166406 A098948` `Adjacent sequences: A009372 A009373 A009374 this_sequence A009376 A009377 A009378`
	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 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research