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 A065063 #12 Jun 18 2018 03:34:22
%S A065063 1,2,4,5,17,20,27,30,37,101,132,140,197,257,260,370,401,430,577,677,
%T A065063 819,832,1025,1036,1070,1166,1297,1601,1950,2060,2270,2486,2583,2673,
%U A065063 2691,2716,2917,3137,3145,3730,4357,4396,4635,4958,5477,5540,5612,6094
%N A065063 Numbers k such that A065608(k) is a square.
%H A065063 Harry J. Smith, <a href="/A065063/b065063.txt">Table of n, a(n) for n = 1..1000</a>
%o A065063 (PARI) { n=0; for (m=1, 10^9, if (issquare(sigma(m) - numdiv(m)), write("b065063.txt", n++, " ", m); if (n==1000, return)) ) } \\ _Harry J. Smith_, Oct 05 2009
%K A065063 nonn
%O A065063 1,2
%A A065063 _Jason Earls_, Nov 06 2001