1,1

Table of n, a(n) for n=1..38.

a(n)=A082081[A000142[A000040(n)]

n=25: p[25]=97, start with 97!, end at a large prime: 52960025378359863409578953=a(25); it seems difficult to predict magnitude of fixed point.

Cf. A008475, A082081, A000142, A000040, A000961.

Sequence in context: A174988 A053683 A305876 * A179992 A054971 A124720

Adjacent sequences: A082082 A082083 A082084 * A082086 A082087 A082088

nonn

Labos Elemer, Apr 08 2003

approved