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 A063284 #13 Feb 17 2025 12:11:13
%S A063284 -1,1,5,10,15,20,25,30,35,40,45,48,55,60,65,68,75,78,85,88,95,98,105,
%T A063284 106,115,118,125,126,135,136,145,146,155,156,165,164,175,176,185,184,
%U A063284 195,194,205,204,215,214,225,222,235,234,245,242,255,252
%N A063284 Dimension of the space of weight n cuspidal newforms for Gamma_1( 11 ).
%H A063284 William A. Stein, <a href="http://wstein.org/Tables/dimskg1new.gp">Dimensions of the spaces S_k^{new}(Gamma_1(N))</a>
%H A063284 William A. Stein, <a href="http://wstein.org/Tables/">The modular forms database</a>
%H A063284 <a href="/index/Rec#order_10">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 1, 0, 1, 0, 0, 0, -1).
%F A063284 From _Colin Barker_, Feb 24 2016: (Start)
%F A063284 a(n) = a(n-4) + a(n-6) - a(n-10) for n>13.
%F A063284 G.f.: -x^2*(1 -x -5*x^2 -10*x^3 -16*x^4 -19*x^5 -21*x^6 -19*x^7 -15*x^8 -10*x^9 -4*x^10 +x^11) / ((1 -x)^2*(1 +x)^2*(1 -x +x^2)*(1 +x^2)*(1 +x +x^2)).
%F A063284 (End)
%Y A063284 Cf. A017329 (bisection),
%K A063284 sign
%O A063284 2,3
%A A063284 _N. J. A. Sloane_, Jul 14 2001