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%I #9 Feb 13 2015 19:27:28
%S 1,1,83,1779,27691,376772,4767554,57675292,676752609,7767525702,
%T 87675256564,976752565041,10767525649806,117675256497468,
%U 1276752564973977,13767525649738780,147675256497386491
%N Number of decimal digits in the numerator of the 10^n-th Bernoulli number.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/BernoulliNumber.html">Bernoulli Number</a>
%e -1/2, 5/66, -94598037819122125295227433069493721872702841533066936133385696204311395415197247711/33330, ...
%o (PARI) a(n)=if(n,ceil(log(abs(numerator(bernfrac(10^n))))/log(10)),1)
%Y Cf. A068399, A114471.
%K nonn,base
%O 0,3
%A _Eric W. Weisstein_, Jan 26 2005
%E More terms from _Eric W. Weisstein_, Feb 20 2006
%E Edited by _Charles R Greathouse IV_, Aug 03 2010
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