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 A063276 #15 Feb 17 2025 12:03:55
%S A063276 -1,0,0,0,0,1,1,1,2,2,2,1,3,3,4,2,4,3,5,3,6,4,6,3,7,5,8,4,8,5,9,5,10,
%T A063276 6,10,5,11,7,12,6,12,7,13,7,14,8,14,7,15,9,16,8,16,9,17,9,18,10,18,9,
%U A063276 19,11,20,10,20,11,21,11,22,12,22,11,23,13,24,12,24
%N A063276 Dimension of the space of weight n cuspidal newforms for Gamma_1( 3 ).
%H A063276 William A. Stein, <a href="http://wstein.org/Tables/dimskg1new.gp">Dimensions of the spaces S_k^{new}(Gamma_1(N))</a>
%H A063276 William A. Stein, <a href="http://wstein.org/Tables/">The modular forms database</a>
%H A063276 R. J. Mathar, <a href="/A063276/a063276.mp.txt">Maple program for A063276 .. A063363</a>
%H A063276 <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (1, 0, -1, 2, -1, 0, 1, -1).
%F A063276 g.f.: -x^2*(x^9-x^8-x^7-2*x^4+x^3-x+1) / ((x-1)^2*(x+1)^2*(x^2-x+1)*(x^2+1)). - _Colin Barker_, Feb 24 2015
%Y A063276 Cf. A004523 (bisection), A051274 (bisection).
%K A063276 sign
%O A063276 2,9
%A A063276 _N. J. A. Sloane_, Jul 14 2001