A009499 - OEIS

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A009499

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

0, 1, -1, 3, -12, 56, -300, 1544, -4592, -74068, 2546820, -58043956, 1226919936, -25894069928, 560051913512, -12549128097416, 292671937925760, -7117106442114544, 180518194901004912, -4773533330473419152 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Sin[ Tan[ Log[ 1+x ] ] ]`
	CROSSREFS	`Sequence in context: A000257 A180256 A027390 * A009656 A020016 A001277` `Adjacent sequences: A009496 A009497 A009498 * A009500 A009501 A009502`
	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 February 17 02:48 EST 2012. Contains 205978 sequences.