A012051 exp(sin(arctanh(x)))=1+x+1/2!*x^2+2/3!*x^3+5/4!*x^4+16/5!*x^5...

1, 1, 1, 2, 5, 16, 61, 216, 937, -1280, -34919, -1141504, -13257619, -263392128, -3269873515, -64804059904, -890367567919, -18858549039104, -286428853272143, -6592583427379200, -109915623105978539

Offset

0,4

Links

Table of n, a(n) for n=0..20.

Crossrefs

Sequence in context: A210668 A279564 A005036 * A012159 A009736 A380682

Adjacent sequences: A012048 A012049 A012050 * A012052 A012053 A012054

Keyword

sign

Author

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

Status

approved