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n-th half of even single (or even isolated) numbers plus n-th half of even non-single (or even nonisolated) numbers.
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%I #4 Mar 30 2012 18:52:38

%S 1,6,8,13,17,25,32,42,49,65,70,86,93,109,116,121,137,144,160,167,183,

%T 202,239,247,263,294,319,335,346,359,369,445,452,456,472,485,555,562,

%U 572,579,595,626,667,692,700,707,717,772,785,801,805,866,873,898,914

%N n-th half of even single (or even isolated) numbers plus n-th half of even non-single (or even nonisolated) numbers.

%F a(n)=A168497(n)+A168044(n).

%e a(1)=1+0=1, a(2)=2+4=6, a(3)=3+5=8.

%Y Cf. A167706(the single or isolated numbers), A167707(the non-single or nonisolatred numbers), A168044, A168497.

%K nonn

%O 1,2

%A _Juri-Stepan Gerasimov_, Dec 09 2009

%E Entries checked by _R. J. Mathar_, May 23 2010