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Search: id:A012490
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A012490 cosh(cos(x)*arcsin(x))=1+1/2!*x^2-7/4!*x^4+25/6!*x^6+1297/8!*x^8... +0
1
1, 1, -7, 25, 1297, 785, 3237577, 476552297, 93536269473, 25410713978785, 8498142387238425, 3493252199008249913, 1729861042158836509361, 1015648464575702746171825, 697882405841324552721582569 (list; graph; listen)
OFFSET

0,3

CROSSREFS

Sequence in context: A082651 A088009 A081298 this_sequence A063453 A098127 A131905

Adjacent sequences: A012487 A012488 A012489 this_sequence A012491 A012492 A012493

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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