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A106650
Limiting word under substitution 1->{2}, 2->{3}, 3->{4}, 4->{1, 2, 3, 4}, using axiom 1.
0
3, 4, 1, 2, 3, 4, 2, 3, 4, 1, 2, 3, 4, 4, 1, 2, 3, 4, 2, 3, 4, 1, 2, 3, 4, 3, 4, 1, 2, 3, 4, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 2, 3, 4, 1, 2, 3, 4, 3, 4, 1, 2, 3, 4, 2, 3, 4, 1, 2, 3, 4, 4, 1, 2, 3, 4, 2, 3, 4, 1, 2, 3, 4, 3, 4, 1, 2, 3, 4, 2, 3, 4, 1, 2, 3, 4, 2, 3, 4, 1, 2, 3, 4, 3, 4, 1, 2, 3, 4, 2, 3, 4, 1, 2
OFFSET
0,1
MATHEMATICA
s[1] = {2}; s[2] = {3}; s[3] = {4}; s[4] = {1, 2, 3, 4};
t[a_] := Flatten[s /@ a];
p[0] = {1}; p[1] = t[p[0]]; p[n_] := t[p[n - 1]]
aa = p[10]
CROSSREFS
Sequence in context: A294731 A085710 A248004 * A076942 A205127 A360407
KEYWORD
nonn,easy,less
AUTHOR
Roger L. Bagula, May 12 2005
STATUS
approved