id:A009459 - OEIS Search Results

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Expansion of sin(ln(1+x))/cos(x).

+0
1

0, 1, -1, 4, -6, 25, 15, -338, 6972, -70891, 859275, -9640864, 120888174, -1541505979, 21347932515, -308351466590, 4764530724600, -77278806586295, 1328450775136695, -23972129893393796, 455516697937247010 (list; graph; listen)

	OFFSET	`0,4`
	MATHEMATICA	`Sin[ Log[ 1+x ] ]/Cos[ x ]`
	CROSSREFS	`Sequence in context: A000287 A032087 A136591 this_sequence A123055 A028273 A024471` `Adjacent sequences: A009456 A009457 A009458 this_sequence A009460 A009461 A009462`
	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 July 4 01:34 EDT 2008. Contains 140787 sequences.

AT&T Labs Research