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A249767 a(n) = mu(n) + omega(n). 3

%I #30 May 18 2017 02:41:06

%S 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,

%T 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,

%U 3,2,0,2,0,3,2,2,3,2,0,2,1,3,0,3,3,3,3

%N a(n) = mu(n) + omega(n).

%C The 0 terms identify for the prime numbers.

%H G. C. Greubel, <a href="/A249767/b249767.txt">Table of n, a(n) for n = 1..5000</a>

%t Table[MoebiusMu[k] + PrimeNu[k], {k, 200}]

%o (PARI) for(n=1,50, print1(moebius(n) + omega(n), ", ")) \\ _G. C. Greubel_, May 17 2017

%Y Equals Mobius function (A008683) + omega function (A001221).

%Y Cf. A249901.

%K nonn

%O 1,6

%A _Ke Xiao_, Jan 13 2015

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Last modified April 16 12:52 EDT 2024. Contains 371711 sequences. (Running on oeis4.)