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Search: id:A012984
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A012984 sech(arctan(x)+sin(x))=1-4/2!*x^2+104/4!*x^4-6694/6!*x^6... +0
1
1, -4, 104, -6694, 804632, -155439834, 44039778108, -17203328738054, 8861587113743248, -5819908969853023218, 4746578915592187681348, -4706547390563027522258046, 5575973518183361179212558488 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A013054 A024262 A012958 this_sequence A013114 A082736 A087178

Adjacent sequences: A012981 A012982 A012983 this_sequence A012985 A012986 A012987

KEYWORD

sign

AUTHOR

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

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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