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A249767
a(n) = mu(n) + omega(n).
3
1, 0, 0, 1, 0, 3, 0, 1, 1, 3, 0, 2, 0, 3, 3, 1, 0, 2, 0, 2, 3, 3, 0, 2, 1, 3, 1, 2, 0, 2, 0, 1, 3, 3, 3, 2, 0, 3, 3, 2, 0, 2, 0, 2, 2, 3, 0, 2, 1, 2, 3, 2, 0, 2, 3, 2, 3, 3, 0, 3, 0, 3, 2, 1, 3, 2, 0, 2, 3, 2, 0, 2, 0, 3, 2, 2, 3, 2, 0, 2, 1, 3, 0, 3, 3, 3, 3
OFFSET
1,6
COMMENTS
The 0 terms identify for the prime numbers.
LINKS
MATHEMATICA
Table[MoebiusMu[k] + PrimeNu[k], {k, 200}]
PROG
(PARI) for(n=1, 50, print1(moebius(n) + omega(n), ", ")) \\ G. C. Greubel, May 17 2017
CROSSREFS
Equals Mobius function (A008683) + omega function (A001221).
Cf. A249901.
Sequence in context: A373949 A091614 A350829 * A341411 A174433 A174624
KEYWORD
nonn
AUTHOR
Ke Xiao, Jan 13 2015
STATUS
approved