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Search: id:A013375
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A013375 sec(sin(x)-sinh(x))=1+40/6!*x^6+480/10!*x^10+1232000/12!*x^12... +0
1
1, 0, 0, 40, 0, 480, 1232000, 8320, 256256000, 744065052160, 56972032000, 933057413785600, 3248379673651200000, 1038642349994762240, 15202354034221486080000, 62540998641516972945735680 (list; graph; listen)
OFFSET

0,4
CROSSREFS

Sequence in context: A067159 A013306 A013373 this_sequence A013419 A013420 A078084

Adjacent sequences: A013372 A013373 A013374 this_sequence A013376 A013377 A013378

KEYWORD

nonn

AUTHOR

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

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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