A167907 - OEIS

%I #2 Mar 30 2012 18:51:05

%S 3,5,7,10,11,13,15,17,19,21,23,26,29,30,29,30,35,37,39,41,43,46,47,51,

%T 53,51,53,57,59,61,65,67,65,66,71,73,77,78,77,82,85,83,85,89,91,93,95,

%U 97,101,102,101,105,107,109,111,113,115,118,123,122,119,122,127,129,131

%N A121878(n) + A121878(n+1).

%C A008966(a(n)) = 1 by definition of A121878.

%Y Cf. A167903.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Nov 15 2009