A026252 - OEIS

A026252

a(n) = (1/2)*(s(n) + 1), where s(n) is the n-th odd number in A026250. Also a(n) = position of n in A026252.

%I #4 Mar 30 2012 18:56:05

%S 2,1,7,9,12,14,3,19,4,24,26,5,31,6,36,38,41,43,8,48,50,53,55,10,60,11,

%T 65,67,70,72,13,77,79,82,84,15,89,16,94,96,17,101,18,106,108,111,113,

%U 20,118,21,123,125,22,130,23,135,137,140,142

%N a(n) = (1/2)*(s(n) + 1), where s(n) is the n-th odd number in A026250. Also a(n) = position of n in A026252.

%K nonn

%O 1,1

%A _Clark Kimberling_