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a(n) = sum of the numbers between the two n's in A026342.
0

%I #4 Mar 30 2012 18:56:06

%S 0,3,2,18,17,24,23,55,83,98,97,113,141,140,159,192,242,282,309,371,

%T 420,453,507,506,542,601,600,662,727,770,769,839,885,960,1038,1037,

%U 1203,1290,1289,1473,1472,1568,1631,1732,1874,1943

%N a(n) = sum of the numbers between the two n's in A026342.

%K nonn

%O 1,2

%A _Clark Kimberling_