%I A162234
%S A162234 0,1,2,3,4,5,6,7,8,27,28,41,50,126,127,243,244,353,468,469,1052,1824,
%T A162234 2187,2188,8052,8295,9857,19683,19684,36804,65538,65539,177147,177148,
%U A162234 1198372,1594323,1594324,3357009,3357010,5300099,6287267,10097892
%N A162234 Base 9 perfect digital invariants (written in base 10): numbers equal 
               to the sum of the kth powers of their base-9 digits, for some k.
%H A162234 Joseph Myers, <a href="b162234.txt">Table of n, a(n) for n=1..506</a> 
               (complete to 120 base 9 digits)
%Y A162234 Cf. A162235 (corresponding exponents), A010353 (restriction to power 
               = number of digits), A033841, A162236. In other bases: A162216 (base 
               3), A162219 (base 4), A162222 (base 5), A162225 (base 6), A162228 
               (base 7), A162231 (base 8), A023052 (base 10).
%Y A162234 Sequence in context: A053408 A096986 A031097 this_sequence A024651 A004848 
               A024652
%Y A162234 Adjacent sequences: A162231 A162232 A162233 this_sequence A162235 A162236 
               A162237
%K A162234 base,nonn
%O A162234 1,3
%A A162234 Joseph Myers (jsm(AT)polyomino.org.uk), Jun 28 2009