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%I #12 Dec 29 2018 07:51:05
%S 10,6,5,4,3,3,2,2,2,2,1,1,1,1,1,1,1,1,1,1,1
%N Number of n-expodigital numbers (i.e., numbers m such that m^n has exactly n decimal digits).
%C a(n) = 10 - A102691(n).
%e a(6) = 3 because only the 3 numbers 7, 8 and 9 are 6-expodigital: 7^6 = 117649, 8^6 = 262144, 9^6 = 531441.
%Y Cf. A102691.
%Y Main diagonal of A216653.
%K fini,full,nonn,base
%O 1,1
%A _Lekraj Beedassy_, Jan 21 2005
%E Edited by _Charles R Greathouse IV_, Aug 03 2010