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Search: id:A012774
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A012774 arcsin(sec(x)*log(x+1))=x-1/2!*x^2+6/3!*x^3-18/4!*x^4+143/5!*x^5... +0
1
1, -1, 6, -18, 143, -915, 9730, -100940, 1376357, -19680165, 332019710, -6000731022, 121502892067, -2640899177735, 62588297762666, -1585329875795640, 43101529687518377, -1245060181757058633 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Adjacent sequences: A012771 A012772 A012773 this_sequence A012775 A012776 A012777

Sequence in context: A003496 A009582 A091054 this_sequence A027744 A077531 A052634

KEYWORD

sign

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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