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 A087728 #8 Oct 12 2013 15:14:05 %S A087728 5,17,37,577,8101,14401,22501,32401,44101,176401,5336101,48024901, %T A087728 85377601,341510401,533610001,129859329601,12770402544901, %U A087728 16679709446401,94083986096101,6021375110150401,11384162317628101 %N A087728 Table read by rows where i-th row consists of primes P of the form P=(j*P(i)#)^2 +1 with 0 < j < P(i+1). Here P(i)# = A002110(i). %e A087728 Table begins: %e A087728 5,17, %e A087728 37,577, %e A087728 8101,14401,22501,32401, %e A087728 44101,176401, %e A087728 5336101,48024901,85377601,341510401,533610001, %e A087728 129859329601, %e A087728 12770402544901,16679709446401 %o A087728 (PARI) {for(i=1,8, p=prod(j=1,i, prime(j)); for(j=1, prime(i+1)-1, c=(j*p)^2+1; if(isprime(c),print1(c ",")); ););} %Y A087728 Cf. A087714-A087716. %K A087728 nonn,tabf %O A087728 0,1 %A A087728 _Pierre CAMI_, Sep 30 2003 %E A087728 Edited by _Ray Chandler_, Sep 30 2003