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 A194265 #9 Aug 03 2014 14:01:32
%S A194265 6,15,91,65,341,91,1247,697,703,341,1541,481,4187,1247,1891,1649,
%T A194265 14111,703,43739,2501,5461,1541,6533,7081,15251,4187,17767,3277,13747,
%U A194265 1891,116003,18721,13333,14111,14981,2701,33227,43739,12403,9881,61337,5461,74563
%N A194265 Smallest product of two distinct primes of the form n*k+1.
%e A194265 a(1) = 2*3 = 6
%e A194265 a(2) = 3*5 = 15
%e A194265 a(3) = 7*13 = 91
%e A194265 a(4) = 5*13 = 65
%e A194265 a(5) = 11*31 = 341
%t A194265 Table[ps = Select[Table[n*k + 1, {k, 100}], PrimeQ, 2]; If[Length[ps] == 2, ps[[1]]*ps[[2]], 0], {n, 100}] (* _T. D. Noe_, Oct 21 2011 *)
%Y A194265 Cf. A193869, A193879.
%K A194265 nonn
%O A194265 1,1
%A A194265 _Omar E. Pol_, Sep 03 2011