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 A192084 #6 Jul 13 2013 12:04:11 %S A192084 0,4,5,80,7,9,640,216,13,15,5120,19,21,25,800,3645,31,33,26624,39,43, %T A192084 45,49,1960,55,61,63,167936,69,73,75,81,67068,85,91,99,103,105,109, %U A192084 111,115,6776,34375,129,819200,133,139,141,151,153,159,165,169,10816 %N A192084 Second arithmetic derivative of squares of prime powers: a(n)=A068346(A056798(n)). %C A192084 a(n) = A003415(A192083(n)); %H A192084 Reinhard Zumkeller, <a href="/A192084/b192084.txt">Table of n, a(n) for n = 1..10000</a> %K A192084 nonn %O A192084 1,2 %A A192084 _Reinhard Zumkeller_, Jun 26 2011