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 A198780 #16 Dec 13 2014 12:02:52 %S A198780 939923,992359,746749,241739,644923,350033,500333,374293,937337, %T A198780 773767,160087,670853,532331,199501,79847,847937,29921,299213,325421, %U A198780 526733,673313,331399,12967,375413,395491,954911,38431,93997,939973,60889,271351,349291,79843,984301,341777 %N A198780 Primes from merging of 6 successive digits in decimal expansion of Euler-Mascheroni constant. %C A198780 In contrast to A104940, leading zeros are permitted, so this sequence contains all terms of A104940 plus additional primes with fewer than 6 digits. %Y A198780 Cf. A186206, A103773, A103789, A103793, A103808-A103812, A104824-A104826, A104843-A104850, A198161-A198177, A198776-A198784. %K A198780 nonn,base %O A198780 1,1 %A A198780 _Harvey P. Dale_, Oct 29 2011