A012754 - OEIS

This site is supported by donations to The OEIS Foundation.

A012754

exp(arctanh(x)*tanh(x))=1+2/2!*x^2+12/4!*x^4+280/6!*x^6+13328/8!*x^8...

1, 2, 12, 280, 13328, 1016608, 120249536, 19735743872, 4349101334784, 1233253332705792, 437938810884459520, 190333673674118699008, 99369086035110941036544, 61369835997419856216006656 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A098137 A014982 A012444 * A083568 A003121 A176037` `Adjacent sequences: A012751 A012752 A012753 * A012755 A012756 A012757`
	KEYWORD	`nonn`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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

Last modified February 16 08:13 EST 2012. Contains 205893 sequences.