A012213 exp(arctan(arcsinh(x)))=1+x+1/2!*x^2-2/3!*x^3-11/4!*x^4+24/5!*x^5...

1, 1, 1, -2, -11, 24, 349, -664, -22007, 28416, 2312601, -942336, -365164227, -260697984, 80916522933, 165900454656, -23968582079343, -85943912448000, 9151870592718513, 48584004553543680, -4378918837383018747

Offset

0,4

Links

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

Crossrefs

Sequence in context: A294557 A009189 A370338 * A012251 A084547 A241238

Adjacent sequences: A012210 A012211 A012212 * A012214 A012215 A012216

Keyword

sign

Author

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

Status

approved