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 A016748 #34 Sep 08 2022 08:44:41
%S A016748 0,256,65536,1679616,16777216,100000000,429981696,1475789056,
%T A016748 4294967296,11019960576,25600000000,54875873536,110075314176,
%U A016748 208827064576,377801998336,656100000000,1099511627776,1785793904896,2821109907456,4347792138496,6553600000000,9682651996416
%N A016748 a(n) = (2*n)^8.
%H A016748 Vincenzo Librandi, <a href="/A016748/b016748.txt">Table of n, a(n) for n = 0..10000</a>
%H A016748 <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (9,-36,84,-126,126,-84,36,-9,1).
%F A016748 a(n) = 256*A001016(n) = A001016(A005843(n)). - _Michel Marcus_, Nov 16 2013
%F A016748 G.f.: 256*x*(1+x)*(x^6 + 246*x^5 + 4047*x^4 + 11572*x^3 + 4047*x^2 + 246*x + 1) / (1-x)^9. - _R. J. Mathar_, May 01 2015
%F A016748 From _Amiram Eldar_, Oct 11 2020: (Start)
%F A016748 Sum_{n>=1} 1/a(n) = Pi^8/2419200.
%F A016748 Sum_{n>=1} (-1)^(n+1)/a(n) = 127*Pi^8/309657600. (End)
%p A016748 A016748:=n->(2*n)^8; seq(A016748(n), n=0..50); # _Wesley Ivan Hurt_, Nov 15 2013
%t A016748 Table[(2n)^8, {n,0,50}] (* _Wesley Ivan Hurt_, Nov 15 2013 *)
%t A016748 (2*Range[0,20])^8 (* or *) LinearRecurrence[{9,-36,84,-126,126,-84,36, -9, 1}, {0,256 ,65536, 1679616, 16777216, 100000000, 429981696, 1475789056, 4294967296}, 20] (* _Harvey P. Dale_, Jun 14 2016 *)
%o A016748 (Magma) [(2*n)^8: n in [0..20]]; // _Vincenzo Librandi_, Sep 05 2011
%o A016748 (PARI) vector(30, n, n--; (2*n)^8) \\ _G. C. Greubel_, Sep 15 2018
%Y A016748 Cf. A001016, A005843, A016760.
%K A016748 nonn,easy
%O A016748 0,2
%A A016748 _N. J. A. Sloane_