id:A013573 - OEIS Search Results

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exp(arctanh(x)/exp(x))=1+x-1/2!*x^2+9/4!*x^4-20/5!*x^5+65/6!*x^6...

+0
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1, 1, -1, 0, 9, -20, 65, 406, -511, 21624, 88577, 1053426, 14764321, 143838916, 2193647521, 29669704702, 457719400449, 7433158061552, 128311987616769, 2329120580336746, 45112841958764321, 905762343424701116 (list; graph; listen)

	OFFSET	`0,5`
	CROSSREFS	`Sequence in context: A028566 A128153 A109805 this_sequence A013338 A008847 A111171` `Adjacent sequences: A013570 A013571 A013572 this_sequence A013574 A013575 A013576`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.

AT&T Labs Research