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 A106702 Four loop eight-symbol substitution. 0
 1, 3, 3, 2, 4, 3, 2, 4, 2, 4, 1, 6, 8, 3, 2, 4, 2, 4, 1, 6, 8, 2, 4, 1, 6, 8, 1, 6, 8, 3, 7, 8, 4, 6, 3, 2, 4, 2, 4, 1, 6, 8, 2, 4, 1, 6, 8, 1, 6, 8, 3, 7, 8, 4, 6, 2, 4, 1, 6, 8, 1, 6, 8, 3, 7, 8, 4, 6, 1, 6, 8, 3, 7, 8, 4, 6, 3, 7, 8, 4, 6, 2, 4, 8, 4, 6, 6, 8, 7, 8, 3, 2, 4, 2, 4, 1, 6, 8, 2, 4, 1, 6, 8, 1, 6 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS FORMULA 1->{3}, 2->{1}, 3->{2, 4}, 4->{6, 8}, 5->{3}, 6->{7, 8}, 7->{8}, 8->4, 6} MATHEMATICA s[1] = {3}; s[2] = {1}; s[3] = {2, 4}; s[4] = {6, 8}; s[5] = {3}; s[6] = {7, 8}; s[7] = {8}; s[8] = {4, 6}; t[a_] := Join[a, Flatten[s /@ a]]; p[0] = {1}; p[1] = t[{1}]; p[n_] := t[p[n - 1]] aa = p[6] CROSSREFS Sequence in context: A207335 A049604 A106686 * A057435 A161173 A050610 Adjacent sequences:  A106699 A106700 A106701 * A106703 A106704 A106705 KEYWORD nonn,uned AUTHOR Roger L. Bagula, May 13 2005 STATUS approved

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Last modified May 21 05:20 EDT 2013. Contains 225474 sequences.