This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A067540 #21 Dec 26 2020 23:55:01
%S A067540 1,2,2,3,2,4,2,5,5,7,4,8,5,7,5,10,5,16,8,20,9,20,10,25,13,30,21,34,32,
%T A067540 46,35,58,48,66,59,97,65,109,94,125,112,154,133,191,154,224,195,265,
%U A067540 236,308,289,388,353,475,424,575,528,693,661,835
%N A067540 Number of partitions of n in which the sum of reciprocal of parts divides number of parts.
%H A067540 Chai Wah Wu, <a href="/A067540/b067540.txt">Table of n, a(n) for n = 1..147</a> (n = 1..80 from Sean A. Irvine)
%F A067540 a(n)=#{n=p_1+p_2+...+p_r : r/sum_{i=1..r} 1/p_i is an integer} where n=p_1+p_2+...+p_r runs over all partitions of n. - _Sean A. Irvine_, Mar 24 2013
%F A067540 a(n) <= A058360(n) <= A000041(n). - _Charles R Greathouse IV_, Dec 15 2020
%Y A067540 Cf. A000041.
%K A067540 nonn
%O A067540 1,2
%A A067540 _Naohiro Nomoto_, Jan 27 2002
%E A067540 More terms from _Sean A. Irvine_, Mar 24 2013