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Search: id:A013420
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A013420 sec(arcsin(x)-arcsinh(x))=1+40/6!*x^6+108000/10!*x^10+1232000/12!*x^12... +0
1
1, 0, 0, 40, 0, 108000, 1232000, 1647734400, 57657600000, 85927162048000, 6053574009600000, 11452742596189440000, 1349295190949488640000, 3261229190521061760000000, 577775664177165642240000000 (list; graph; listen)
OFFSET

0,4
CROSSREFS

Sequence in context: A013373 A013375 A013419 this_sequence A156917 A078084 A037937

Adjacent sequences: A013417 A013418 A013419 this_sequence A013421 A013422 A013423

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 13:47 EST 2009. Contains 167481 sequences.

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