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A169641 Start with n, apply the map k -> A169639(k) until trajectory converges; sequence give full list of the 20 possible limit points. 2

%I

%S 177,246,245,236,230,178,244,275,295,342,274,326,247,253,281,285,293,

%T 333,286,302

%N Start with n, apply the map k -> A169639(k) until trajectory converges; sequence give full list of the 20 possible limit points.

%C There is a slight ambiguity in the definition, but I believe these are all the numbers which eventually return to themselves under iteration of k -> A169639(k). - _N. J. A. Sloane_, Jun 11 2021

%K nonn,word

%O 1,1

%A _Jacques ALARDET_, Apr 04 2010

%E Edited by _N. J. A. Sloane_, Apr 05 2010

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Last modified May 23 22:33 EDT 2022. Contains 353993 sequences. (Running on oeis4.)