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 A065064 #12 Jun 18 2018 03:34:06
%S A065064 9,33,54,100,918,1240,3304,4148,4187,7169,8825,12565,15085,19688,
%T A065064 24881,25019,26609,38982,51835,53963,59987,76360,77057,91610,96728,
%U A065064 143369,150419,167560,170561,205727,215069,220817
%N A065064 Numbers k such that A065608(k) = A065608(k+2).
%H A065064 Harry J. Smith, <a href="/A065064/b065064.txt">Table of n, a(n) for n = 1..200</a>
%o A065064 (PARI) { n=x=y=0; for (m=1, 10^9, z=y; y=x; x=sigma(m + 2) - numdiv(m + 2); if (x == z, write("b065064.txt", n++, " ", m); if (n==200, return)) ) } \\ _Harry J. Smith_, Oct 05 2009
%K A065064 nonn
%O A065064 1,1
%A A065064 _Jason Earls_, Nov 06 2001