A050729 - OEIS

%I #5 Oct 16 2019 01:20:09

%S 0,1,2,3,4,5,7,10,12,16,18,22,23,29,42

%N Decimal expansion of 8^n contains no pair of consecutive equal digits (probably finite).

%e 8^42 = 85070591730234615865843651857942052864.

%Y Cf. A030704, A046266, A046274.

%K nonn,base

%O 0,3

%A _Patrick De Geest_, Sep 15 1999