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A168045 n-th non-single or nonisolated number plus n. 0

%I

%S 1,3,6,9,12,14,16,18,20,23,25,27,29,31,34,36,38,40,43,45,47,49,51,53,

%T 56,58,60,62,64,66,69,71,73,75,78,80,82,84,87,89,91,93,95,98,100,102,

%U 104,106,108,111,113,115,117,119,121,124,126,128,130,133,135,137,139,141

%N n-th non-single or nonisolated number plus n.

%F a(n)=A167707(n)+n.

%F a(n) = 2n + n / log n + O(n / (log n)^2). -_Charles R Greathouse IV_, May 25, 2011

%K nonn,less

%O 1,2

%A _Juri-Stepan Gerasimov_, Nov 17 2009

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Last modified November 20 12:13 EST 2019. Contains 329335 sequences. (Running on oeis4.)