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 A016936 #21 Mar 29 2022 03:01:03
%S A016936 16,4096,38416,160000,456976,1048576,2085136,3748096,6250000,9834496,
%T A016936 14776336,21381376,29986576,40960000,54700816,71639296,92236816,
%U A016936 116985856,146410000,181063936,221533456,268435456,322417936,384160000,454371856,533794816,623201296
%N A016936 a(n) = (6*n + 2)^4.
%H A016936 Vincenzo Librandi, <a href="/A016936/b016936.txt">Table of n, a(n) for n = 0..2000</a>
%H A016936 <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (5,-10,10,-5,1).
%F A016936 a(n) = 5*a(n-1) - 10*a(n-2) + 10*a(n-3) - 5*a(n-4) + a(n-5). - _Harvey P. Dale_, Aug 22 2012
%F A016936 From _Amiram Eldar_, Mar 29 2022: (Start)
%F A016936 a(n) = A016933(n)^4 = A016934(n)^2.
%F A016936 a(n) = 16*A016780(n).
%F A016936 Sum_{n>=0} 1/a(n) = PolyGamma(3, 1/3)/7776. (End)
%t A016936 (6*Range[0,30]+2)^4 (* or *) LinearRecurrence[{5,-10,10,-5,1},{16,4096,38416,160000,456976},30] (* _Harvey P. Dale_, Aug 22 2012 *)
%o A016936 (Magma) [(6*n+2)^4: n in [0..30]]; // _Vincenzo Librandi_, May 04 2011
%Y A016936 Cf. A016780, A016933, A016934, A016935.
%K A016936 nonn,easy
%O A016936 0,1
%A A016936 _N. J. A. Sloane_