OFFSET
1,2
COMMENTS
Up to n = 10000, 1160 of the first 1228 odd primes appear as fixed points of a(n).
LINKS
Enrique Navarrete and Daniel Orellana, Finding Prime Numbers as Fixed Points of Sequences, arXiv:1907.10023 [math.NT], 2019.
EXAMPLE
For n = 7, 3*T(7) = 63, and a(7) = 7 is a fixed point and the smallest divisor of 63 not yet in the sequence.
For n = 43, 3*T(43) = 2709, and a(43) = 43 is a fixed point and the smallest divisor of 2709 not yet in the sequence.
CROSSREFS
KEYWORD
nonn
AUTHOR
Enrique Navarrete, Jul 20 2019
STATUS
approved