%I #16 Apr 05 2020 04:51:11
%S 0,1,3,9,25,68,185,503,1368,3719,10110,27482,74704,203067,551994,
%T 1500476,4078717,11087103,30137871,81923227,222690420,605335322,
%U 1645472006,4472856654,12158484964,33050188740,89839727479,244209698680,663830786256,1804479163452,4905082919845
%N a(n) = A081881(n) - 1.
%C The blocks of fractions described in A081881 extend from 1/A081881(k) through 1/a(k+1) and contain A295572(k) terms. For example the third block is 1/4 + 1/5 + 1/6 + 1/7 + 1/8 + 1/6 and has length 6.
%H Jinyuan Wang, <a href="/A295571/b295571.txt">Table of n, a(n) for n = 1..1000</a>
%Y Cf. A081881, A295572.
%K nonn
%O 1,3
%A _N. J. A. Sloane_, Nov 30 2017
%E More terms from _Jinyuan Wang_, Feb 20 2020
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