This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A105698 Fixed point of morphism 1->{1, 4, 2, 1}, 2->{2, 1, 3, 2}, 3->{3, 2, 4, 3}, 4->{4, 1, 3, 4}. 1
 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, 1, 4, 2, 1, 3, 2, 4, 3, 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, 2, 1, 3, 2, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS F. M. Dekking, Recurrent sets, Advances in Mathematics, vol. 44, no. 1 (1982), 78-104; page 85, section 4.1. FORMULA a(4n-3) = a(4n) = a(n). MATHEMATICA s[1] = {1, 4, 2, 1}; s[2] = {2, 1, 3, 2}; s[3] = {3, 2, 4, 3}; s[4] = {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: A326485 A023528 A236308 * A105699 A023526 A082901 Adjacent sequences:  A105695 A105696 A105697 * A105699 A105700 A105701 KEYWORD nonn AUTHOR Roger L. Bagula, May 04 2005 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified July 20 05:37 EDT 2019. Contains 325168 sequences. (Running on oeis4.)