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 A229743 #10 Oct 27 2013 15:21:30 %S A229743 1,4,6,21,46,86,359,914,1432,1682,1810,1816,2840,3608,15141,15909, %T A229743 24120,28197,30245,31781,16514098,66058853,67105381,117437029, %U A229743 134148709,134210149,234873445,251650661,267903589,268411493,268419685,402637413,532660837,534757989 %N A229743 Positions of records in A096303. %H A229743 <a href="/index/Coi#Colombian">Index entries for Colombian or self numbers and related sequences</a> %Y A229743 Cf. A010062, A096303, A229744. %K A229743 nonn,base %O A229743 1,2 %A A229743 _Matthew C. Russell_ and _Nathan Fox_, Oct 06 2013 %E A229743 a(15)-a(34) from _Donovan Johnson_, Oct 07 2013