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

Author

Labos Elemer, Apr 08 2003

Keywords

• nonn

Examples

			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.

Formula

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