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A012756 revision #2

A012756

exp(arctanh(x)*atanh(x))=1+2/2!*x^2+28/4!*x^4+968/6!*x^6+61584/8!*x^8...

1, 2, 28, 968, 61584, 6221472, 912779712, 183144253056, 48126940270848, 16031131073204736, 6598147635721116672, 3287285755024478177280, 1949289186179973455646720, 1356446896562442205265633280

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..13.

CROSSREFS

Sequence in context: A012725 A264637 A352251 * A362587 A009403 A026944

Adjacent sequences: A012753 A012754 A012755 * A012757 A012758 A012759

KEYWORD

nonn,new

AUTHOR

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

STATUS

approved