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 A076350 #4 Mar 30 2012 18:50:26 %S A076350 0,0,-8,0,8,-32,-16,0,-240,32,-24,-128,24,-64,0,0,32,-960,-40,128, %T A076350 -744,-96,-48,-512,240,96,-4888,-256,56,0,-64,0,-1504,128,264,-3840, %U A076350 72,-160,-784,512,80,-2976,-88,-384,-2312,-192,-96,-2048,-2016,960,-1560,384,104 %N A076350 A076341(A000290(n)), imaginary part of squares mapped as defined in A076340, A076341. %Y A076350 Real part = A076349, A076348. %K A076350 sign %O A076350 1,3 %A A076350 _Reinhard Zumkeller_, Oct 08 2002