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A082085
Fixed points when A008475 is iterated started at factorials of prime numbers.
0
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
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
KEYWORD
nonn
AUTHOR
Labos Elemer, Apr 08 2003
STATUS
approved