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The 2-adic valuation of A046644(n)/A318512(n) (A318651).
4

%I #7 Aug 31 2018 16:00:27

%S 0,1,0,3,0,2,0,4,0,2,0,4,0,2,0,7,0,2,0,4,0,2,0,5,0,2,0,4,0,2,0,8,0,2,

%T 0,4,0,2,0,5,0,2,0,4,0,2,0,8,0,2,0,4,0,2,0,5,0,2,0,4,0,2,0,10,0,2,0,4,

%U 0,2,0,6,0,2,0,4,0,2,0,8,0,2,0,4,0,2,0,5,0,2,0,4,0,2,0,9,0,2,0,4,0,2,0,5,0

%N The 2-adic valuation of A046644(n)/A318512(n) (A318651).

%H Antti Karttunen, <a href="/A318652/b318652.txt">Table of n, a(n) for n = 1..65537</a>

%F a(n) = A007814(A318651(n)).

%F a(n) = A046645(n) - A318513(n).

%o (PARI) A318652(n) = valuation(A046644(n)/A318512(n),2); \\ Needs also code from those two respective entries.

%Y Cf. A046644, A318512, A318651.

%K nonn

%O 1,4

%A _Antti Karttunen_, Aug 31 2018