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 A087832 #8 Oct 19 2017 03:14:22 %S A087832 131,167,215,252,393,559,616,646,819,860,875,888,1323,1364,1393,1435, %T A087832 1523,1598,1669,1734,1891,1924,1951,2236,2576,2761,2848,2887,3138, %U A087832 3221,4455,4540,4592,4812,4818,5002,5165,5188,5227,5237,5306,5314,5453,5540,5621,5702 %N A087832 Numbers k such that k*primorial(2473)-1 is prime. %C A087832 The "2473" sequence has rather many terms below 2473. %F A087832 a(n) ~ c * n log n with c = 0.07162.... [_Charles R Greathouse IV_, Dec 28 2011] %o A087832 (PARI) N=prod(n=1,366,prime(n));for(k=1,1e5,if(ispseudoprime(k*N-1),print1(k", "))) \\ _Charles R Greathouse IV_, Dec 28 2011 %Y A087832 Cf. A002110, A087730, A087832. %K A087832 nonn %O A087832 1,1 %A A087832 _Pierre CAMI_, Oct 07 2003 %E A087832 Edited by _Don Reble_, Nov 09 2005 %E A087832 a(25)-a(46) from _Charles R Greathouse IV_, Dec 28 2011