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 A105699 Duplicate of A105698. 0
 1, 4, 2, 1, 4, 1, 3, 4, 2, 1, 3, 2, 1, 4, 2, 1, 4, 1, 3, 4, 1, 4, 2, 1, 3, 2, 4, 3, 4, 1, 3, 4, 2, 1, 3, 2, 3, 2, 4, 3, 1, 4, 2, 1, 2, 1, 3, 2, 1, 4, 2, 1, 4, 1, 3, 4, 2, 1, 3, 2, 1, 4, 2, 1, 4, 1, 3, 4, 1, 4, 2, 1, 3, 2, 4, 3, 4, 1, 3, 4, 1, 4, 2, 1, 4, 1, 3, 4, 2, 1, 3, 2, 1, 4, 2, 1, 3, 2, 4, 3, 4, 1, 3, 4, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS One symbol per substitution added symmetrically to Dekking's Peano set with order reversed permutation of substitutions. LINKS F. M. Dekking, Recurrent Sets, Advances in Mathematics, vol. 44, no.1, April 1982, page 85, section 4.1 FORMULA 4->{1, 4, 2, 1}, 3->{2, 1, 3, 2}, 2->{3, 2, 4, 3}, 1->{4, 1, 3, 4} MATHEMATICA s[4] = {1, 4, 2, 1}; s[3] = {2, 1, 3, 2}; s[2] = {3, 2, 4, 3}; s[1] = {4, 1, 3, 4}; t[a_] := Flatten[s /@ a]; p[0] = {1}; p[1] = t[p[0]]; p[n_] := t[p[n - 1]] aa = p[4] CROSSREFS Sequence in context: A023528 A236308 A105698 * A023526 A082901 A136619 Adjacent sequences:  A105696 A105697 A105698 * A105700 A105701 A105702 KEYWORD dead AUTHOR Roger L. Bagula, May 04 2005 STATUS approved

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Last modified July 20 11:28 EDT 2019. Contains 325180 sequences. (Running on oeis4.)