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%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
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