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 A248212 #15 Nov 11 2024 03:57:14 %S A248212 0,2,4,1,3,7,10,12,11,8,5,7,16,15,14,18,16,8,15,14,19,22,2,4,6,25,8, %T A248212 17,28,22,19,5,7,27,11,23,31,29,4,25,28,8,10,19,24,14,35,33,1,23,9,31, %U A248212 35,20,34,6,40,36,8,35,41,21,42,1,41,43,36,44,20,11,27,44,38,42,46,29,17,4,40,10,12,28 %N A248212 Values of x in A033210 (primes of the form x^2+13*y^2). %F A248212 a(n) = sqrt(A033210(n)-13*A248213(n)^2). %Y A248212 Cf. A033210, A248213 (values of y). %K A248212 nonn %O A248212 1,2 %A A248212 _Zak Seidov_, Oct 04 2014