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 A159456 #2 Mar 31 2012 10:29:30 %S A159456 144,225,256,400,441,576,576,784,1089,1225,1600,1936,2601,2704,3136, %T A159456 3249,5776,5929,7744,7744,8281,15129,16641,17689,21904,23104,29584, %U A159456 34969,40401,43681,53824,71289,71824,90601,118336,182329,239121,287296 %N A159456 Discriminant of the 47 imaginary, bicyclic, biquadratic fields with class number 1. %D A159456 E. Brown and C. J. Parry, The imaginary bicyclic biquadratic fields with class number 1, J. Reine Angew. Math. 266 (1974), 118-120. %K A159456 fini,full,nonn %O A159456 1,1 %A A159456 _David Brink_, Apr 12 2009