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 A016944 #19 Mar 30 2022 06:34:09 %S A016944 4096,68719476736,56693912375296,4096000000000000,95428956661682176, %T A016944 1152921504606846976,9065737908494995456,52654090776777588736, %U A016944 244140625000000000000,951166013805414055936,3226266762397899821056,9774779120406941925376,26963771415920784510976 %N A016944 a(n) = (6*n + 2)^12. %H A016944 Vincenzo Librandi, <a href="/A016944/b016944.txt">Table of n, a(n) for n = 0..2000</a> %H A016944 <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 A016944 From _Amiram Eldar_, Mar 30 2022: (Start) %F A016944 a(n) = A016933(n)^12 = A016934(n)^6 = A016935(n)^4 = A016936(n)^3 = A016938(n)^2. %F A016944 a(n) = 2^12*A016788(n). %F A016944 Sum_{n>=0} 1/a(n) = PolyGamma(11, 1/3)/86890185149644800. (End) %t A016944 (6*Range[0,20]+2)^12 (* or *) LinearRecurrence[{13,-78,286,-715,1287,-1716,1716,-1287,715,-286,78,-13,1},{4096,68719476736,56693912375296,4096000000000000,95428956661682176,1152921504606846976,9065737908494995456,52654090776777588736,244140625000000000000,951166013805414055936,3226266762397899821056,9774779120406941925376,26963771415920784510976},20] (* _Harvey P. Dale_, Aug 03 2021 *) %o A016944 (Magma) [(6*n+2)^12: n in [0..20]]; // _Vincenzo Librandi_, May 05 2011 %Y A016944 Cf. A016788, A016933, A016934, A016935, A016936, A016937, A016938, A016939, A016940, A016941, A016942, A016943. %Y A016944 Subsequence of A008456. %K A016944 nonn,easy %O A016944 0,1 %A A016944 _N. J. A. Sloane_