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A268374 a(n) = A001222(n) - A267116(n). 5

%I #9 Feb 05 2016 20:47:52

%S 0,0,0,0,0,1,0,0,0,1,0,0,0,1,1,0,0,0,0,0,1,1,0,1,0,1,0,0,0,2,0,0,1,1,

%T 1,2,0,1,1,1,0,2,0,0,0,1,0,0,0,0,1,0,0,1,1,1,1,1,0,1,0,1,0,0,1,2,0,0,

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

%N a(n) = A001222(n) - A267116(n).

%H Antti Karttunen, <a href="/A268374/b268374.txt">Table of n, a(n) for n = 1..10000</a>

%F a(n) = A001222(n) - A267116(n).

%t Table[PrimeOmega@ n - BitOr @@ Map[Last, FactorInteger@ n], {n, 120}] /. -1 -> 0 (* _Michael De Vlieger_, Feb 04 2016 *)

%o (Scheme) (define (A268374 n) (- (A001222 n) (A267116 n)))

%Y Cf. A001222, A267116.

%Y Cf. A268375 (indices of zeros), A268376 (of nonzeros).

%K nonn,base

%O 1,30

%A _Antti Karttunen_, Feb 03 2016

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