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 A274548 #9 Jun 29 2016 00:06:30 %S A274548 17,985,33524,19720,116643124,2263924,411769906249,7342945,2027986649, %T A274548 1348336249 %N A274548 Least number k such that k and k+1 are the sum of two nonzero squares in exactly n ways. %e A274548 a(2) = 985 because 985 = 12^2 + 29^2 = 16^2 + 27^2 and 986 = 5^2 + 31^2 = 19^2 + 25^2. %Y A274548 Cf. A000404, A016032. %K A274548 nonn,more %O A274548 1,1 %A A274548 _Altug Alkan_, Jun 27 2016 %E A274548 a(5)-a(10) from _Giovanni Resta_, Jun 28 2016