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 A016977 #16 Apr 01 2022 09:11:15
%S A016977 1953125,2357947691,118587876497,1801152661463,14507145975869,
%T A016977 78815638671875,327381934393961,1119130473102767,3299763591802133,
%U A016977 8662995818654939,20711912837890625,45848500718449031,95151694449171437,186940255267540403,350356403707485209,630249409724609375
%N A016977 a(n) = (6*n + 5)^9.
%H A016977 Vincenzo Librandi, <a href="/A016977/b016977.txt">Table of n, a(n) for n = 0..1000</a>
%H A016977 <a href="/index/Rec#order_10">Index entries for linear recurrences with constant coefficients</a>, signature (10,-45,120,-210,252,-210,120,-45,10,-1).
%F A016977 From _Amiram Eldar_, Apr 01 2022: (Start)
%F A016977 a(n) = A016969(n)^9 = A016971(n)^3.
%F A016977 Sum_{n>=0} 1/a(n) = 5028751*zeta(9)/10077696 - 15371*Pi^9/(529079040*sqrt(3)). (End)
%o A016977 (Magma) [(6*n+5)^9: n in [0..35]]; // _Vincenzo Librandi_, May 13 2011
%Y A016977 Cf. A016969, A016970, A016971, A016972, A016973, A016974, A016975, A016976.
%Y A016977 Subsequence of A001017.
%K A016977 nonn,easy
%O A016977 0,1
%A A016977 _N. J. A. Sloane_