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Search: id:A012825
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A012825 arctan(sec(x)*arcsinh(x))=x+8/5!*x^5-392/7!*x^7+20096/9!*x^9... +0
1
1, 0, 8, -392, 20096, -1754368, 241340032, -44833033216, 10840711614464, -3348758074142720, 1285112610745352192, -598690046386495291392, 332953969072425739124736, -217949438999618554495500288 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A085806 A042115 A159515 this_sequence A165036 A015091 A008274

Adjacent sequences: A012822 A012823 A012824 this_sequence A012826 A012827 A012828

KEYWORD

sign

AUTHOR

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

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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