A082085 Fixed points when A008475 is iterated started at factorials of prime numbers.

2, 5, 16, 37, 11, 23, 31, 67, 25, 193, 7, 7, 19, 19, 5939, 27, 13, 11, 11, 503, 15889, 37, 11, 4651, 52960025378359863409578953, 8, 13, 11, 25, 79, 19, 25, 56707367, 7, 103, 23, 9, 61

Offset

1,1

Links

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

Formula

a(n) = A082081(A000142(A000040(n))).

Example

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.

Crossrefs

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

Sequence in context: A053683 A396624 A305876 * A179992 A054971 A124720

Adjacent sequences: A082082 A082083 A082084 * A082086 A082087 A082088

Keyword

nonn

Author

Labos Elemer, Apr 08 2003

Status

approved