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Search: id:A012756
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A012756 exp(arctanh(x)*atanh(x))=1+2/2!*x^2+28/4!*x^4+968/6!*x^6+61584/8!*x^8... +0
1
1, 2, 28, 968, 61584, 6221472, 912779712, 183144253056, 48126940270848, 16031131073204736, 6598147635721116672, 3287285755024478177280, 1949289186179973455646720, 1356446896562442205265633280 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A090249 A009256 A012725 this_sequence A009403 A026944 A113633

Adjacent sequences: A012753 A012754 A012755 this_sequence A012757 A012758 A012759

KEYWORD

nonn

AUTHOR

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

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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