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A031268 a(n)=(# 3's)-(# 4's) in first n terms of A031253. 0

%I #4 Mar 30 2012 18:56:21

%S 0,1,1,1,1,1,1,0,0,0,0,1,2,2,3,3,4,3,2,2,1,2,2,2,2,2,2,2,2,2,1,1,1,1,

%T 1,1,2,2,2,2,2,2,2,2,2,1,1,2,2,2,3,4,4,3,3,3,2,2,2,1,0,0,0,0,0,0,1,1,

%U 1,1,1,1,1,1,1,0,0,0,0,0,0,1,1,2,2,2,3,3,3,4

%N a(n)=(# 3's)-(# 4's) in first n terms of A031253.

%K nonn

%O 1,13

%A _Clark Kimberling_

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Last modified May 10 13:53 EDT 2024. Contains 372387 sequences. (Running on oeis4.)