A009569 - OEIS

This site is supported by donations to The OEIS Foundation.

A009569

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

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

	OFFSET	`0,4`
	MATHEMATICA	`Sinh[ Log[ 1+Tan[ x ] ] ]`
	CROSSREFS	`Sequence in context: A110373 A081067 A024066 * A061964 A133667 A205338` `Adjacent sequences: A009566 A009567 A009568 * A009570 A009571 A009572`
	KEYWORD	`sign,easy`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

Content is available under The OEIS End-User License Agreement .

Last modified February 16 04:47 EST 2012. Contains 205860 sequences.