%I #2 Mar 30 2012 17:37:44
%S 1,2,42,521,4624,347352
%N Numbers n such that n=s^pi(d_1)+s^pi(d_2)+...+s^pi(d_k) where s is sum of its digits and d_1d_2...d_k is the decimal expansion of n.
%e 4624=(4+6+2+4)^pi(4)+(4+6+2+4)^pi(6)+(4+6+2+4)^pi(2)+(4+6+2+4)^pi(4).
%Y Cf. A140175.
%K base,fini,full,nonn
%O 1,2
%A _Farideh Firoozbakht_, May 20 2008
|