id:A009569 - OEIS Search Results

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

+0
2

0, 1, -1, 5, -20, 136, -976, 8840, -88640, 1019776, -12933376, 181318400, -2767631360, 45821372416, -816582578176, 15596531778560, -317710534983680, 6876972491309056, -157606194409701376, 3812752893951672320 (list; graph; listen)

	OFFSET	`0,4`
	MATHEMATICA	`Sinh[ Log[ 1+Tan[ x ] ] ]`
	CROSSREFS	`Sequence in context: A110373 A081067 A024066 this_sequence A061964 A133667 A000877` `Adjacent sequences: A009566 A009567 A009568 this_sequence A009570 A009571 A009572`
	KEYWORD	`sign,easy`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research