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 A329510 #20 May 06 2024 17:57:10 %S A329510 1,3,6,8,8,7,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, %T A329510 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, %U A329510 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6 %N A329510 Expansion of (1 + x)*(1 + x + x^2)*(1 + x^2 - x^3) / (1 - x). %C A329510 Decimal expansion of 410663/3000000. - _Elmo R. Oliveira_, May 06 2024 %H A329510 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1). %F A329510 a(n) = 6 for n >= 6. %o A329510 (PARI) Vec((1 + x)*(1 + x + x^2)*(1 + x^2 - x^3) / (1 - x) + O(x^60)) \\ _Colin Barker_, Nov 23 2019 %Y A329510 Row 3 of array in A329508. %K A329510 nonn,easy %O A329510 0,2 %A A329510 _N. J. A. Sloane_, Nov 22 2019