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%I #8 Jun 11 2021 00:36:07
%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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