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 A049499 #6 Oct 15 2013 22:30:28 %S A049499 671353,671357,671369,671417,671609,672377,675449,687737,736889,933497 %N A049499 A finite sequence of primes: the primes 671353+4^k for k=1, 2, 3, 4, 5, 6, 7, 8, 9. %C A049499 Below prime(1000000) just three initial primes give sets of 10 primes like this set: 671353, 5772097 and 13243063 %Y A049499 Cf. A023200, A049492-A049498. %K A049499 nonn,fini,full %O A049499 1,1 %A A049499 _Labos Elemer_ %E A049499 Edited by _N. J. A. Sloane_, Oct 31 2009