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 A046286 #12 Nov 16 2019 10:29:27 %S A046286 129,639,2127,2427,4227,5589,6601,10191,11599,17283,18189,19113,22039, %T A046286 24133,25237,34915,43201,50887,54169,62797,74139,109147,148827,166551, %U A046286 169605,236673,307911,329401,374959,393961,403611,418335,486075,513327 %N A046286 Lucky numbers that are the sum of the first k primes for some k. %C A046286 See A046285 for the values of k. %H A046286 Amiram Eldar, <a href="/A046286/b046286.txt">Table of n, a(n) for n = 1..730</a> %F A046286 a(n) = A007504(A046285(n)). - _Amiram Eldar_, Nov 16 2019 %Y A046286 Cf. A007504, A000959, A013918, A046285. %K A046286 nonn %O A046286 1,1 %A A046286 _Patrick De Geest_, Jun 15 1998 %E A046286 More terms from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Aug 22 2006 %E A046286 Offset corrected by _Amiram Eldar_, Nov 16 2019