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Search: id:A012733
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A012733 arcsinh(arctanh(x)*atan(x))=2/2!*x^2+88/6!*x^6+353952/10!*x^10... +0
1
2, 88, 353952, 4859875200, 286589256061440, 38349390501320693760, 11520524205295446001950720, 6360705742909296331970308177920 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Sequence in context: A001904 A053950 A012728 this_sequence A058459 A105268 A139881

Adjacent sequences: A012730 A012731 A012732 this_sequence A012734 A012735 A012736

KEYWORD

nonn

AUTHOR

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

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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