A012601 tan(arcsinh(x)*arcsin(x))=2/2!*x^2+328/6!*x^6+1114272/10!*x^10...

2, 328, 1114272, 20199941760, 1186280710279680, 172712964365318522880, 52709992654283449278504960, 30048263806420071363529720627200

Offset

0,1

Links

Table of n, a(n) for n=0..7.

Crossrefs

Sequence in context: A028483 A006475 A282430 * A012606 A012729 A173750

Adjacent sequences: A012598 A012599 A012600 * A012602 A012603 A012604

Keyword

nonn

Author

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

Status

approved