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 A076349 #4 Mar 30 2012 18:50:26 %S A076349 1,4,15,16,15,60,63,64,161,60,143,240,143,252,289,256,255,644,399,240, %T A076349 817,572,575,960,161,572,495,1008,783,1156,1023,1024,1953,1020,1073, %U A076349 2576,1295,1596,2337,960,1599,3268,1935,2288,4335,2300,2303,3840,3713 %N A076349 A076340(A000290(n)), real part of squares mapped as defined in A076340, A076341. %Y A076349 Imaginary part = A076350, A076347. %K A076349 nonn %O A076349 1,2 %A A076349 _Reinhard Zumkeller_, Oct 08 2002