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 A016794 #19 Mar 31 2022 03:09:40
%S A016794 64,15625,262144,1771561,7529536,24137569,64000000,148035889,
%T A016794 308915776,594823321,1073741824,1838265625,3010936384,4750104241,
%U A016794 7256313856,10779215329,15625000000,22164361129,30840979456,42180533641,56800235584,75418890625,98867482624,128100283921
%N A016794 a(n) = (3*n + 2)^6.
%H A016794 <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (7,-21,35,-35,21,-7,1).
%F A016794 From _Amiram Eldar_, Mar 31 2022: (Start)
%F A016794 a(n) = A016789(n)^6 = A016790(n)^3 = A016791(n)^2.
%F A016794 Sum_{n>=0} 1/a(n) = PolyGamma(5, 2/3)/87480. (End)
%p A016794 A016794:= n-> (3*n+2)^6; seq(A016794(k), k=0..30); # _Wesley Ivan Hurt_, Nov 05 2013
%t A016794 (3Range[0,20]+2)^6 (* _Harvey P. Dale_, Mar 04 2011 *)
%Y A016794 Cf. A016789, A016790, A016791, A016792, A016793.
%Y A016794 Subsequence of A001014.
%K A016794 nonn,easy
%O A016794 0,1
%A A016794 _N. J. A. Sloane_