A224897 - OEIS

%I #8 Jul 25 2013 14:57:15

%S 5,113,1181,21670,263423,7815547,35619942

%N First occurrence of n consecutive n's in the decimal expansion of the Copeland-Erdos constant.

%C Earls sequence for the Copeland-Erdos constant.

%C a(8) > 10^8.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Copeland-ErdosConstantDigits.html">Copeland-ErdosConstant Digits</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/EarlsSequence.html">Earls Sequence</a>

%e C = 0.235711131...122322..., so

%e a(1) = 5 (one 1 first appears at digit 5 after the decimal point),

%e a(2) = 113 (two 2s first occur starting at digit 113).

%Y Cf. A033308 (decimal expansion of the Copeland-Erdos constant).

%K nonn,base

%O 1,1

%A _Eric W. Weisstein_, Jul 24 2013