id:A009801 - OEIS Search Results

Search: id:A009801

Displaying 1-1 of 1 results found.

page 1

tanh(sin(x)*sin(x))=2/2!*x^2-8/4!*x^4-208/6!*x^6+13312/8!*x^8...

+0
3

0, 2, -8, -208, 13312, -80128, -84819968, 9993992192, 759755210752, -560066285928448, 72155207745667072, 37670722015948439552, -22728912607776874692608, 734502681629602026094592 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`Tanh[ Sin[ x ]^2 ] (* Even Part *)`
	CROSSREFS	`Sequence in context: A012539 A012535 A012300 this_sequence A012297 A000893 A030177` `Adjacent sequences: A009798 A009799 A009800 this_sequence A009802 A009803 A009804`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research