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Search: id:A012672
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A012672 arcsinh(tanh(x)*tan(x))=2/2!*x^2-8/6!*x^6+82592/10!*x^10... +0
1
2, -8, 82592, -608724608, 22327881339392, -1873956615576209408, 347762137588896627924992, -121417393113776577986657681408 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A046967 A007753 A081979 this_sequence A024340 A012667 A124075

Adjacent sequences: A012669 A012670 A012671 this_sequence A012673 A012674 A012675

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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