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A342465
a(n) = A329697(A337194(n)).
2
0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 0, 1, 0, 0, 0, 2, 1, 0, 0, 1, 0, 0, 0, 2, 0, 3, 1, 0, 0, 3, 2, 0, 1, 2, 1, 1, 0, 0, 3, 4, 1, 2, 2, 0, 1, 0, 1, 3, 0, 2, 0, 0, 2, 0, 2, 1, 2, 0, 0, 1, 1, 4, 3, 3, 0, 2, 0, 2, 1, 4, 3, 0, 2, 0, 2, 1, 0, 3, 3, 4, 0, 2, 0, 1, 0, 0, 2, 4, 1, 4, 2, 2, 2, 3, 0
OFFSET
1,9
FORMULA
a(n) = A329697(A336698(n)) = A329697(A337194(n)).
PROG
(PARI)
A000265(n) = (n>>valuation(n, 2));
A329697(n) = if(!bitand(n, n-1), 0, 1+A329697(n-(n/vecmax(factor(n)[, 1]))));
A337194(n) = (1+A000265(sigma(n)));
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Mar 16 2021
STATUS
approved