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 A066089 #8 Oct 15 2013 22:31:13
%S A066089 2,3,10,12,52,188,1175,4840,25168,90992,896368,8164112,30997008,
%T A066089 233151408,2111839632
%N A066089 Smallest m such that A066088(m) = A001221(A001157(m)) = n.
%e A066089 n = 5: a(5) = 52, sigma_2(52) = 2704+676+169+16+4+1 = 3570 = 2*3*5*7*17.
%o A066089 (PARI) { for (n=1, 100, m=1; while(omega(sigma(m, 2)) != n, m++); write("b066089.txt", n, " ", m) ) } \\ _Harry J. Smith_, Nov 12 2009
%Y A066089 Cf. A001157, A001221, A066088.
%K A066089 nonn
%O A066089 1,1
%A A066089 _Labos Elemer_, Dec 04 2001
%E A066089 Terms a(11) - a(13) from _Harry J. Smith_, Nov 12 2009
%E A066089 a(14)-a(15) from _Donovan Johnson_, Apr 16 2013