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A332998 a(n) = A000120(A332996(n)). 3

%I #7 Mar 10 2020 00:29:33

%S 0,0,0,1,0,0,1,1,0,1,0,0,1,2,1,2,0,0,1,1,0,1,0,0,1,1,2,3,1,1,2,2,0,1,

%T 0,0,1,2,1,2,0,0,1,1,0,1,0,0,1,2,1,2,2,2,3,4,1,2,1,1,2,3,2,3,0,0,1,1,

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

%N a(n) = A000120(A332996(n)).

%H Antti Karttunen, <a href="/A332998/b332998.txt">Table of n, a(n) for n = 0..65537</a>

%H <a href="/index/Bi#binary">Index entries for sequences related to binary expansion of n</a>

%F a(n) = A000120(A332996(n)) = A332898(A332817(n)).

%F a(n) = A000120(n) - A332997(n).

%F Conjecture: for n >= 2, a(A086224(n-1)) = n, this being also the first occurrence of each n larger than 1.

%o (PARI) A332998(n) = hammingweight(A332996(n));

%o (PARI) A332998(n) = A332898(A332817(n));

%Y Cf. A000120, A332817, A332898, A332996, A332997.

%Y Cf. A086224.

%K nonn

%O 0,14

%A _Antti Karttunen_, Mar 05 2020

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Last modified April 16 14:51 EDT 2024. Contains 371749 sequences. (Running on oeis4.)