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%I #13 Jun 03 2018 10:57:46
%S 4,2,1,1,1,2,2,1,1,1,1,1,1,1,1,2,1,1,1,2,1,1,1,1,2,1,2,1,2,1,1,1,1,1,
%T 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,2,
%U 1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
%N Lengths of successive runs in A303598.
%C Created as part of a study to try to show that A252867 is a permutation, and, more specifically, to understand terms 6171 - 7025 of A252867 (see the graph of that sequence).
%H N. J. A. Sloane, <a href="/A303599/b303599.txt">Table of n, a(n) for n = 1..47482</a>
%Y Cf. A252867, A303596, A303597, A303599, A305368.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, May 31 2018