%I #10 Aug 22 2019 12:18:12
%S 2,9,15,23,29,37,43,51,57,65,71,79,85,93,99,107,113,121,127,135,141,
%T 149,155,163,169,177,183,191,197,205,211,219,225,233,239,247,253,261,
%U 267,275,281,289,295,303,309,317,323,331,337,345
%N Dimension of the space of weight 2n cusp forms for Gamma_0( 26 ).
%H William A. Stein, <a href="http://wstein.org/Tables/dimskg0n.gp">Dimensions of the spaces S_k(Gamma_0(N))</a>.
%H William A. Stein, <a href="http://wstein.org/Tables/">The modular forms database</a>
%F Conjectures from _Colin Barker_, Jun 09 2019: (Start)
%F G.f.: x*(2 + 7*x + 4*x^2 + x^3) / ((1 - x)^2*(1 + x)).
%F a(n) = ((-1)^n + 14*n - 11) / 2 for n>1.
%F a(n) = a(n-1) + a(n-2) - a(n-3) for n>4.
%F (End)
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Jul 08 2001
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