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A031081 Position of n-th 4 in A031076. 0

%I

%S 4,18,36,54,63,65,67,69,71,72,73,75,77,79,90,108,126,144,167,194,221,

%T 248,262,265,268,271,274,275,277,280,283,286,302,329,356,383,410,437,

%U 464,491,505,508,511,514,517,518,520,523,526

%N Position of n-th 4 in A031076.

%K nonn

%O 1,1

%A _Clark Kimberling_

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Last modified November 27 20:49 EST 2021. Contains 349395 sequences. (Running on oeis4.)