A012740 arcsin(arctanh(x)*cos(x))=x+8/5!*x^5+448/7!*x^7+32384/9!*x^9...

1, 0, 8, 448, 32384, 3363712, 498146816, 101255683072, 27100382101504, 9228615461568512, 3895169435932917760, 1996505925721071157248, 1222138138975234336751616, 880971359478741744513712128

Offset

0,3

Links

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

Crossrefs

Sequence in context: A215527 A240320 A013457 * A042525 A028449 A209840

Adjacent sequences: A012737 A012738 A012739 * A012741 A012742 A012743

Keyword

nonn

Author

Patrick Demichel (patrick.demichel(AT)hp.com)

Status

approved