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Search: id:A013112
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A013112 cosh(arcsinh(x)+arctan(x))=1+4/2!*x^2-8/4!*x^4+70/6!*x^6-920/8!*x^8... +0
1
1, 4, -8, 70, -920, -28550, 10642900, -2554095050, 685535422000, -219648785612750, 84602550046787500, -38917136125065331250, 21166653214210218325000, -13470291608750677967093750 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A086891 A117636 A051226 this_sequence A068208 A090254 A120281

Adjacent sequences: A013109 A013110 A013111 this_sequence A013113 A013114 A013115

KEYWORD

sign

AUTHOR

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

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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.

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