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A107297 Limit of the string substitution 1->{1, 3, 1, 1}, 2->{1}, 3->{2}. 0

%I #15 Jun 30 2023 07:06:12

%S 1,3,1,1,2,1,3,1,1,1,3,1,1,1,1,3,1,1,2,1,3,1,1,1,3,1,1,1,3,1,1,2,1,3,

%T 1,1,1,3,1,1,1,3,1,1,1,3,1,1,2,1,3,1,1,1,3,1,1,1,1,3,1,1,2,1,3,1,1,1,

%U 3,1,1,1,3,1,1,2,1,3,1,1,1,3,1,1,1,3,1,1,2,1,3,1,1,1,3,1,1,1,1,3,1,1,2,1,3

%N Limit of the string substitution 1->{1, 3, 1, 1}, 2->{1}, 3->{2}.

%t s[1] = {1, 3, 1, 1}; s[2] = {1}; s[3] = {2};

%t t[a_] := Flatten[s /@ a];

%t p[0] = {1}; p[1] = t[p[0]]; p[n_] := t[p[n - 1]]

%t aa = p[5]

%Y Cf. A106748, A106749.

%K nonn

%O 1,2

%A _Roger L. Bagula_, May 20 2005

%E Edited by and meaningful name from _Joerg Arndt_, Jun 30 2023

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)