A012876 - OEIS

This site is supported by donations to The OEIS Foundation.

A012876

sec(sech(x)*log(x+1))=1+1/2!*x^2-3/3!*x^3+4/4!*x^4-40/5!*x^5...

1, 0, 1, -3, 4, -40, 370, -2100, 19052, -224712, 2295380, -27161420, 388309832, -5572831680, 85093639488, -1453531202760, 26088826973648, -491011275101888, 9922199896825168, -211576194636993072 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	CROSSREFS	`Sequence in context: A032836 A167760 A012472 * A172144 A032837 A127614` `Adjacent sequences: A012873 A012874 A012875 * A012877 A012878 A012879`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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

Last modified February 17 02:08 EST 2012. Contains 205978 sequences.