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A106560 Trajectory of 1 under the morphism 1->{2, 3, 2}, 2->{3, 1, 3}, 3->{4, 4, 4}, 4->{1, 2, 1}. +0
1
2, 3, 2, 3, 1, 3, 2, 3, 2, 2, 3, 2, 3, 1, 3, 2, 3, 2, 2, 3, 2, 3, 1, 3, 2, 3, 2, 4, 4, 4, 2, 3, 2, 4, 4, 4, 1, 2, 1, 1, 2, 1, 1, 2, 1, 4, 4, 4, 2, 3, 2, 4, 4, 4, 2, 3, 2, 3, 1, 3, 2, 3, 2, 2, 3, 2, 3, 1, 3, 2, 3, 2, 2, 3, 2, 3, 1, 3, 2, 3, 2, 3, 1, 3, 4, 4, 4, 3, 1, 3, 4, 4, 4, 2, 3, 2, 4, 4, 4, 3, 1, 3, 4, 4, 4 (list; graph; listen)
OFFSET

0,1

COMMENT

Characteristic polynomial is x^4-x^3-4x^2-x-15.

REFERENCES

F. M. Dekking, "Recurrent Sets", Advances in Mathematics, vol. 44, no.1, 1982, page 85, section 4.1

MATHEMATICA

s[1] = {2, 3, 2}; s[2] = {3, 1, 3}; s[3] = {4, 4, 4}; s[4] = {1, 2, 1}; t[a_] := Flatten[s /@ a]; p[0] = {1}; p[1] = t[p[0]]; p[n_] := t[p[n - 1]] aa = p[5]

CROSSREFS

Sequence in context: A085032 A004549 A026600 this_sequence A103431 A125928 A114388

Adjacent sequences: A106557 A106558 A106559 this_sequence A106561 A106562 A106563

KEYWORD

nonn

AUTHOR

Roger L. Bagula (rlbagulatftn(AT)yahoo.com), May 09 2005

EXTENSIONS

Edited by N. J. A. Sloane (njas(AT)research.att.com), Jun 03 2006

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Last modified March 15 12:29 EDT 2010. Contains 173428 sequences.


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