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Search: id:A012247
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A012247 exp(sinh(arctan(x)))=1+x+1/2!*x^2-3/4!*x^4-4/5!*x^5+21/6!*x^6... +0
1
1, 1, 1, 0, -3, -4, 21, 136, 185, -7408, -67159, 644416, 11805621, -84562880, -2380474563, 15811723136, 591392066161, -4005496370944, -181472052075695, 1317763889887232, 68002767860495981 (list; graph; listen)
OFFSET

0,5

CROSSREFS

Sequence in context: A081698 A012123 A012255 this_sequence A057791 A122660 A163744

Adjacent sequences: A012244 A012245 A012246 this_sequence A012248 A012249 A012250

KEYWORD

sign

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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