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 A259323 #13 Aug 16 2015 12:04:01 %S A259323 2,1460,32710,268008,1330890,4874012,14527630,37308880,85584018, %T A259323 179675780,351208022,647279800,1135561050,1910402028,3100048670, %U A259323 4875056032,7457991970,11134523220,16265976038,23303463560,32803672042,45446398140,62053929390,83612360048,111294934450,146487510052 %N A259323 2*A259322(n). %H A259323 Colin Barker, <a href="/A259323/b259323.txt">Table of n, a(n) for n = 1..1000</a> %H A259323 J. L. Bailey, Jr., <a href="http://dx.doi.org/10.1214/aoms/1177732978">A table to facilitate the fitting of certain logistic curves</a>, Annals Math. Stat., 2 (1931), 355-359. %H A259323 J. L. Bailey, <a href="/A002309/a002309.pdf">A table to facilitate the fitting of certain logistic curves</a>, Annals Math. Stat., 2 (1931), 355-359. [Annotated scanned copy] %H A259323 <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (8,-28,56,-70,56,-28,8,-1). %F A259323 a(n) = 2*(n*(-31+196*n^2-336*n^4+192*n^6))/21. - _Colin Barker_, Jun 29 2015 %F A259323 G.f.: 2*x*(x^6+722*x^5+10543*x^4+23548*x^3+10543*x^2+722*x+1) / (x-1)^8. - _Colin Barker_, Jun 29 2015 %o A259323 (PARI) Vec(2*x*(x^6+722*x^5+10543*x^4+23548*x^3+10543*x^2+722*x+1)/(x-1)^8 + O(x^100)) \\ _Colin Barker_, Jun 29 2015 %o A259323 (PARI) a(n) = n*(384*n^6-672*n^4+392*n^2-62)/21 \\ _Charles R Greathouse IV_, Jun 29 2015 %Y A259323 Cf. A259322. %K A259323 nonn,easy %O A259323 1,1 %A A259323 _N. J. A. Sloane_, Jun 24 2015