OFFSET
0,3
COMMENTS
Conjecture: from all n, zero is eventually reached.
LINKS
Antti Karttunen, Table of n, a(n) for n = 0..90609
FORMULA
a(0) = 0; for n > 0, a(n) = 1 + a(A327965(n)).
a(p) = 2 for all primes p.
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Oct 01 2019
STATUS
approved