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First occurrence of n consecutive n's in the decimal expansion of Catalan's constant.
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%I #19 Aug 07 2013 18:09:15

%S 2,107,1225,596,32187,185043,20444527,92589355,3487283621

%N First occurrence of n consecutive n's in the decimal expansion of Catalan's constant.

%C Earls sequence for Catalan's constant.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/CatalansConstantDigits.html">Catalan's Constant Digits</a>

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

%e C = 0.915...4226..., so

%e a(1) = 2 (one 1 first appears at digit 2)

%e a(2) = 107 (two 2s first occur starting at digit 107)

%Y Cf. A006752 (decimal expansion of Catalan's constant).

%K nonn,base,hard

%O 1,1

%A _Eric W. Weisstein_, Jul 20 2013

%E a(9) from _Eric W. Weisstein_, Aug 07 2013