The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A106686 Triple loop substitution of eight symbols: characteristic polynomial: x^2*(x^3-x-1)*(x-1)*(x^2+x+1). 0
 1, 3, 3, 2, 4, 3, 2, 4, 2, 4, 1, 6, 3, 2, 4, 2, 4, 1, 6, 2, 4, 1, 6, 1, 6, 3, 7, 8, 3, 2, 4, 2, 4, 1, 6, 2, 4, 1, 6, 1, 6, 3, 7, 8, 2, 4, 1, 6, 1, 6, 3, 7, 8, 1, 6, 3, 7, 8, 3, 7, 8, 2, 4, 8, 6, 3, 2, 4, 2, 4, 1, 6, 2, 4, 1, 6, 1, 6, 3, 7, 8, 2, 4, 1, 6, 1, 6, 3, 7, 8, 1, 6, 3, 7, 8, 3, 7, 8, 2, 4, 8, 6, 2, 4, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..104. FORMULA 1->{3}, 2->{1}, 3->{2, 4}, 4->{6}, 5->{3}, 6->{7, 8}, 7->{8} 8->{6} MATHEMATICA s[1] = {3}; s[2] = {1}; s[3] = {2, 4}; s[4] = {6}; s[5] = {3}; s[6] = {7, 8}; s[7] = {8}; s[8] = {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 A247509 * A106702 A303338 A271510 Adjacent sequences: A106683 A106684 A106685 * A106687 A106688 A106689 KEYWORD nonn,uned AUTHOR Roger L. Bagula, May 13 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified June 6 16:27 EDT 2023. Contains 363148 sequences. (Running on oeis4.)