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 A256738 #15 Apr 14 2015 11:11:11 %S A256738 1969,0,1349,1387,0,1475 %N A256738 Largest number that is not the sum of distinct primes of the form 12*k + 2*n + 1, or 0 if none exists. %H A256738 Robert E. Dressler, Andrzej Makowski and Thomas Parker, <a href="http://dx.doi.org/10.1090/S0025-5718-1974-0340206-6">Sums of Distinct Primes from Congruence Classes Modulo 12</a>, Mathematics of Computation, Vol. 28, No. 126, Apr. 1974, pp. 651-652. %Y A256738 Cf. A234320. %K A256738 nonn,fini,full %O A256738 0,1 %A A256738 _Arkadiusz Wesolowski_, Apr 09 2015