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Search: id:A013555
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A013555 arctan(cotan(x)-cotanh(x))=-2*x-175/5!*x^5+51/7!*x^7-165495/9!*x^9... +0
1
-2, 0, -175, 51, -165495, 58021, -3611094, 309840909, -12655791634431, 5057482411145, -479296834769075641, 197343009714299615, -51356061329529716482, 15737507445617573854441 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A012333 A012329 A064156 this_sequence A012335 A012331 A037096

Adjacent sequences: A013552 A013553 A013554 this_sequence A013556 A013557 A013558

KEYWORD

sign

AUTHOR

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

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.

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