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 A171748 #4 Jan 17 2017 08:00:06
%S A171748 17,67,149,263,409,587,797,1039,1619,2729,3163,4127,4657,5813,10867,
%T A171748 11717,13513,16447,17489,20807,21977,24413,25679,28307,29669,31063,
%U A171748 35437,40099,50287,53939,55813,57719,61627,63629,69827,78539,90149
%N A171748 Primes of the form (2+n)*(1+2*n)+(1+n)*(2+2*n).
%e A171748 17=(1+2)*3+(1+3)*2.
%t A171748 f[n_]:=(2+n)*(1+2*n)+(1+n)*(2+2*n); lst={};Do[If[PrimeQ[f[n]],AppendTo[lst,f[n]]],{n,6!}];lst
%K A171748 nonn
%O A171748 1,1
%A A171748 _Vladimir Joseph Stephan Orlovsky_, Dec 17 2009