id:A012419 - OEIS Search Results

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sech(arctan(x)*exp(x))=1-1/2!*x^2-6/3!*x^3-11/4!*x^4+100/5!*x^5...

+0
1

1, 0, -1, -6, -11, 100, 995, 2030, -45943, -568632, -1189145, 54818082, 845395901, 1936128428, -142744278261, -2685086733290, -6197620433007, 713212265955216, 15393015776009807, 26780979282600266 (list; graph; listen)

	OFFSET	`0,4`
	CROSSREFS	`Sequence in context: A077705 A077697 A013321 this_sequence A012663 A136980 A083834` `Adjacent sequences: A012416 A012417 A012418 this_sequence A012420 A012421 A012422`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.

AT&T Labs Research