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 A016797 #17 Jul 08 2025 05:54:27
%S A016797 512,1953125,134217728,2357947691,20661046784,118587876497,
%T A016797 512000000000,1801152661463,5429503678976,14507145975869,
%U A016797 35184372088832,78815638671875,165216101262848,327381934393961,618121839509504,1119130473102767,1953125000000000,3299763591802133
%N A016797 a(n) = (3*n + 2)^9.
%H A016797 <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 A016797 G.f.: (512 + 1948005*x + 114709518*x^2 + 1103599596*x^3 + 2887100154*x^4 + 2388954618*x^5 + 608260290*x^6 + 37732212*x^7 + 262134*x^8 + x^9)/(1 - x)^10. - _Ilya Gutkovskiy_, Jun 16 2016
%F A016797 From _Amiram Eldar_, Mar 31 2022: (Start)
%F A016797 a(n) = A016789(n)^9.
%F A016797 Sum_{n>=0} 1/a(n) = 9841*zeta(9)/19683 - 1618*Pi^9/(55801305*sqrt(3)). (End)
%t A016797 Table[(3n+2)^9,{n,0,100}] (* _Mohammad K. Azarian_, Jun 15 2016 *)
%Y A016797 Cf. A016789, A016790, A016791, A016792, A016793, A016794, A016795, A016796.
%Y A016797 Subsequence of A001017.
%K A016797 nonn,easy
%O A016797 0,1
%A A016797 _N. J. A. Sloane_