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 A016956 #16 Mar 31 2022 03:12:17
%S A016956 531441,282429536481,129746337890625,7355827511386641,
%T A016956 150094635296999121,1667889514952984961,12381557655576425121,
%U A016956 68952523554931640625,309629344375621415601,1176246293903439668001,3909188328478827879681,11646329922777311412561,31676352024078369140625
%N A016956 a(n) = (6*n + 3)^12.
%H A016956 Vincenzo Librandi, <a href="/A016956/b016956.txt">Table of n, a(n) for n = 0..2000</a>
%H A016956 <a href="/index/Rec#order_13">Index entries for linear recurrences with constant coefficients</a>, signature (13,-78,286,-715,1287,-1716,1716,-1287,715,-286,78,-13,1).
%F A016956 From _Amiram Eldar_, Mar 31 2022: (Start)
%F A016956 a(n) = A016945(n)^12 = A016946(n)^6 = A016947(n)^4 = A016948(n)^3 = A016950(n)^2..
%F A016956 a(n) = 3^12*A016764(n).
%F A016956 Sum_{n>=0} 1/a(n) = 691*Pi^12/339414785740800. (End)
%t A016956 (6*Range[0,20]+3)^12 (* _Harvey P. Dale_, Jan 23 2013 *)
%o A016956 (Magma) [(6*n+3)^12: n in [0..20]]; // _Vincenzo Librandi_, May 06 2011
%Y A016956 Cf. A016764, A016945, A016946, A016947, A016948, A016949, A016950, A016951, A016952, A016953, A016954, A016955.
%Y A016956 Subsequence of A008456.
%K A016956 nonn,easy
%O A016956 0,1
%A A016956 _N. J. A. Sloane_