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Search: id:A012570
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A012570 sech(sinh(x)*cos(x))=1-1/2!*x^2+13/4!*x^4-277/6!*x^6+12185/8!*x^8... +0
1
1, -1, 13, -277, 12185, -840489, 84759717, -11842313277, 2175505004849, -510170676389457, 148514509335632701, -52567147994554822501, 22230968162996350213321, -11070593880057710100740473 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A001658 A034911 A133284 this_sequence A092145 A035017 A064750

Adjacent sequences: A012567 A012568 A012569 this_sequence A012571 A012572 A012573

KEYWORD

sign

AUTHOR

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

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.

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