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 A229355 #6 Sep 20 2013 20:02:56
%S A229355 12,20,44,122,392,1370,5024,18962,72872,283370,1110704,4377602,
%T A229355 17320952,68727770,273267584,1088189042,4338210632,17309402570,
%U A229355 69107683664,276041741282,1103001557912,4408513155770,17623579686944,70462912522322,281757456578792
%N A229355 Total sum of n-th powers of parts in all partitions of 4.
%H A229355 Alois P. Heinz, <a href="/A229355/b229355.txt">Table of n, a(n) for n = 0..1000</a>
%F A229355 a(n) = Sum_{k=1..4} A066633(4,k) * k^n.
%F A229355 a(n) = 7 + 3*2^n + 3^n + 4^n.
%F A229355 G.f.: -2*(109*x^3-132*x^2+50*x-6)/((x-1)*(2*x-1)*(3*x-1)*(4*x-1)).
%p A229355 a:= n-> 7+3*2^n+3^n+4^n:
%p A229355 seq(a(n), n=0..30);
%Y A229355 Row n=4 of A213191.
%K A229355 nonn,easy
%O A229355 0,1
%A A229355 _Alois P. Heinz_, Sep 20 2013