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 A016786 #25 Jul 08 2025 05:53:54
%S A016786 1,1048576,282475249,10000000000,137858491849,1099511627776,
%T A016786 6131066257801,26559922791424,95367431640625,296196766695424,
%U A016786 819628286980801,2064377754059776,4808584372417849,10485760000000000,21611482313284249,42420747482776576,79792266297612001
%N A016786 a(n) = (3*n+1)^10.
%H A016786 Vincenzo Librandi, <a href="/A016786/b016786.txt">Table of n, a(n) for n = 0..10000</a>
%H A016786 <a href="/index/Rec#order_11">Index entries for linear recurrences with constant coefficients</a>, signature (11,-55,165,-330,462,-462,330,-165,55,-11,1).
%F A016786 a(n) = A008454(A016777(n)). - _Michel Marcus_, Jun 15 2016
%F A016786 Sum_{n>=0} 1/a(n) = PolyGamma(9, 1/3)/21427701120. - _Amiram Eldar_, Mar 29 2022
%t A016786 Table[(3n+1)^10,{n,0,100}] (* _Mohammad K. Azarian_, Jun 15 2016 *)
%t A016786 LinearRecurrence[{11,-55,165,-330,462,-462,330,-165,55,-11,1},{1,1048576,282475249,10000000000,137858491849,1099511627776,6131066257801,26559922791424,95367431640625,296196766695424,819628286980801},20] (* _Harvey P. Dale_, May 14 2019 *)
%o A016786 (Magma) [(3*n+1)^10: n in [0..20]]; // _Vincenzo Librandi_, Sep 29 2011
%Y A016786 Cf. A008454, A016777, A016778, A016779, A016780, A016781, A016782, A016783, A016784, A016785.
%K A016786 nonn,easy
%O A016786 0,2
%A A016786 _N. J. A. Sloane_