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Search: id:A013197
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A013197 log(sec(x)+sinh(x))=x+4/4!*x^4-20/5!*x^5+120/6!*x^6-560/7!*x^7... +0
1
1, 0, 0, 4, -20, 120, -560, 2784, -7920, -24960, 1034880, -14625536, 172569280, -1661936640, 12339608320, -13269651456, -1902800305920, 53452617646080, -1037015219466240, 16547577836929024, -208832669083243520 (list; graph; listen)
OFFSET

0,4
CROSSREFS

Sequence in context: A128236 A091046 A101055 this_sequence A089498 A046729 A093123

Adjacent sequences: A013194 A013195 A013196 this_sequence A013198 A013199 A013200

KEYWORD

sign

AUTHOR

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

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

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