%I #12 Oct 03 2017 03:59:10
%S 1,12367,15092688622113788323693563264538101449859497
%N Least k such that H(k) >= 10^n, where H(k) is the harmonic number Sum_{i=0..k} 1/i.
%C The next term is approx 1.10*10^434, which too large to include.
%C Except for the first term, identical to A082912.
%H R. P. Boas, Jr. and J. W. Wrench, Jr., <a href="http://www.jstor.org/stable/2316476">Partial sums of the harmonic series</a>, Amer. Math. Monthly, 78 (1971), 864-870.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/High-WaterMark.html">High-Water Mark</a>
%Y Cf. A004080, A082912.
%K nonn,bref
%O 1,2
%A _Eric W. Weisstein_, Jul 01 2004