A012837 - OEIS

This site is supported by donations to The OEIS Foundation.

A012837

arctanh(sec(x)*tanh(x))=x+3/3!*x^3+65/5!*x^5+2723/7!*x^7...

1, 3, 65, 2723, 226785, 29857443, 5785047905, 1544546456963, 543833037679425, 244141035610073283, 136105726320473657345, 92251004006663786578403, 74707241586539626288837665 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A188984 A112000 A012804 * A036778 A065400 A091470` `Adjacent sequences: A012834 A012835 A012836 * A012838 A012839 A012840`
	KEYWORD	`nonn`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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

Last modified February 14 09:35 EST 2012. Contains 205614 sequences.