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Search: id:A013550
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A013550 exp(cotan(x)-cosech(x))=1-x+28/6!*x^6-2/7!*x^7+3/8!*x^8-836/9!*x^9... +0
1
1, -1, 0, 0, 0, 0, 28, -2, 3, -836, 8767, -299, 546, -2907, 29391, -126895, 360119, -1186012376, 11724454488, -152704013, 676367024, -4324761408100, 42617610907709, -425429094147, 2816592861875, -39425056468203 (list; graph; listen)
OFFSET

0,7
CROSSREFS

Sequence in context: A040779 A040778 A040780 this_sequence A040781 A001676 A040782

Adjacent sequences: A013547 A013548 A013549 this_sequence A013551 A013552 A013553

KEYWORD

sign

AUTHOR

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

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.

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