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a(n) = s(n+1)/2, s=A039731.
0

%I #6 Jun 09 2023 21:28:43

%S 1,1,2,3,3,4,5,6,7,9,9,10,9,12,14,15,15,17,18,19,20,21,22,24,25,24,25,

%T 27,30,32,33,34,35,36,39,40,39,42,41,42,47,48,48,49,52,55,50,51,53,56,

%U 57,62,63,63,66,67,69,66,67,72,75,77,78,77

%N a(n) = s(n+1)/2, s=A039731.

%Y Cf. A039731.

%K nonn

%O 1,3

%A _Clark Kimberling_