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Search: id:A012707
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A012707 sec(arctanh(x)*log(x+1))=1+12/4!*x^4-60/5!*x^5+570/6!*x^6-3780/7!*x^7... +0
1
1, 0, 0, 0, 12, -60, 570, -3780, 46368, -471744, 6857160, -89514480, 1475800392, -23440985568, 439465502112, -8219543623200, 173360899246848, -3717086730616704, 87324245398685376 (list; graph; listen)
OFFSET

0,5

CROSSREFS

Sequence in context: A009163 A012706 A012359 this_sequence A108096 A056388 A056378

Adjacent sequences: A012704 A012705 A012706 this_sequence A012708 A012709 A012710

KEYWORD

sign

AUTHOR

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

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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