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The decimal representation of n is a substring of its base 8 representation.
5

%I #4 Aug 06 2013 18:44:04

%S 0,1,2,3,4,5,6,7,21355040,21355041,21355042,21355043,21355044,

%T 21355045,21355046,21355047,5406016340533523126,5406016341275264235,

%U 5406016341324744317,5406016341324744320,5406016341325061711,5406016341325061712,5406016342066514511

%N The decimal representation of n is a substring of its base 8 representation.

%H Giovanni Resta, <a href="/A228051/b228051.txt">Table of n, a(n) for n = 1..169</a> (terms < 10^35)

%e 5406016340533523126 = (454060163405335231266)_8.

%Y Cf. A038102-A038106, A228050, A228052, A227549.

%K nonn,base

%O 1,3

%A _Giovanni Resta_, Aug 06 2013