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A012069 arcsinh(arcsin(arcsin(x)))=x+1/3!*x^3+17/5!*x^5+561/7!*x^7+39521/9!*x^9... 0
1, 1, 17, 561, 39521, 4429217, 749371633, 176540328017, 55517224330689, 22448523976439873, 11356291769744087761, 7026618486154627990385, 5220988665867670545052193, 4587518335717939527563335649 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Sequence in context: A193120 A112716 A197395 * A191865 A056771 A041547

Adjacent sequences:  A012066 A012067 A012068 * A012070 A012071 A012072

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 21:41 EST 2012. Contains 205860 sequences.