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%I #11 Aug 15 2015 09:29:29
%S 8,9,2,9,9,4,8,1,7,4,7,5,5,4,4,3,4,2,4,1,7,1,1,7,9,4,0,3,9,8,1,5,2,5,
%T 0,4,8,6,6,7,2,8,6,7,6,7,2,5,5,4,0,8,4,8,0,9,3,6,9,1,3,9,9,3,0,1,8,7,
%U 6,8,1,2,0,5,5,7,2,3,9,6,5,7,4,3,7,0,6,4,1,8,1,4,1,1,2,7,3,9,5,1,7,9,2,7,1
%N Decimal expansion of the sum of the reciprocals of all positive integers having distinct digits (there are exactly 8877690 such integers).
%C Since there are only finitely many such numbers, the sum is rational.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Digit.html">Digit</a>
%e 6745140117...4801548051 (14816583 digits)
%e ----------------------------------------- = 8.9299481747554434241711794....
%e 7553392231...8000000000 (14816582 digits)
%Y Cf. A073531.
%K nonn,cons,base
%O 1,1
%A _Eric W. Weisstein_, Apr 01 2006
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