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 A114256 #6 May 25 2018 10:14:58 %S A114256 2,23,42043,378761,462109,667127,1116851,1625461,1908787,2637043, %T A114256 2711399,3019763,4394603,5405447,7418599,8682757,10832561,12652489, %U A114256 13528079,14214661,15167443,16413641,23086711,27209249,29062339 %N A114256 Prime numbers in A014285. %o A114256 (PARI) lista(nn) = for(n=1, nn, if (isprime(p=sum(k=1, n, k*prime(k))), print1(p, ", "))); \\ _Michel Marcus_, May 25 2018 %Y A114256 Cf. A014285 (Sum i*prime(i); i=1..n), A114257 (numbers n such that A014285(n) is prime). %K A114256 nonn %O A114256 1,1 %A A114256 _Zak Seidov_, Nov 18 2005