A131214 - OEIS

%I #10 Sep 22 2024 06:10:04

%S 1,3,5,7,2,3,5,7,2,4,5,7,2,4,6,7,1,2,4,6,2,3,5,7,2,4,5,7,2,4,6,7,1,2,

%T 4,6,1,3,4,6,2,4,5,7,2,4,6,7,1,2,4,6,1,3,4,6,1,3,5,6,2,4,6,7,1,3,5,7,

%U 1,2,4,6,1,3,4,6,1,3,5,6,1,2,4,6,2,3,5,7,2,4,5,7,2,4,6,7,1,2,4,6,1,3,4,6,2

%N Fixed point of the morphism 1 -> 1357, 2 -> 1246, 3 -> 2357, 4 -> 1346, 5 -> 2457, 6 -> 1356, 7 -> 2467.

%t s[1] = {1, 3, 5, 7};

%t s[2] = {1, 2, 4, 6};

%t s[3] = {2, 3, 5, 7};

%t s[4] = {1, 3, 4, 6};

%t s[5] = {2, 4, 5, 7};

%t s[6] = {1, 3, 5, 6};

%t s[7] = {2, 4, 6, 7};

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

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

%t aa = p[4]

%K nonn,easy

%O 1,2

%A _Roger L. Bagula_, Sep 27 2007

%E New name from _Jason Yuen_, Sep 22 2024