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 A236422 #5 Jan 25 2014 16:46:21 %S A236422 2,7,24,131,796,5008,36202,281003,2399224,22679301,222569004, %T A236422 2236648234,23354177528,248211165052,2905273285888,35462586540039, %U A236422 444348395841976,5844562089950893,78628980833594936,1092348171981581852,15331829536310136066 %N A236422 Values of y corresponding to the largest value of x such that x^2 + y^2 = P, where P is the product of the first n primes of the form 4k + 1, and 0 < x < y. %e A236422 a(3) = 24 because the solutions to x^2 + y^2 = 5*13*17 are (x,y) = (23,24), (9,32), (4,33), (12,31) and the value of y corresponding to the largest value of x is 24. %Y A236422 Cf. A236381, A236382, A236421. %Y A236422 Cf. A002144. %K A236422 nonn %O A236422 1,1 %A A236422 _Colin Barker_, Jan 25 2014