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A012336
arctanh(arcsin(x)*sin(x))=2/2!*x^2+280/6!*x^6+1344/8!*x^8...
0
2, 0, 280, 1344, 1012768, 24428800, 20827231360, 1379991058432, 1430240557576704, 197659225530671104, 247901293373984372736, 60895825094704096133120, 91170066232981864478416896
OFFSET
0,1
CROSSREFS
Sequence in context: A284451 A348183 A012330 * A012449 A012446 A324687
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved