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%I #11 Aug 22 2019 12:18:12
%S 2,5,9,13,17,19,25,27,31,35,39,41,47,49,53,57,61,63,69,71,75,79,83,85,
%T 91,93,97,101,105,107,113,115,119,123,127,129,135,137,141,145,149,151,
%U 157,159,163,167,171,173,179,181
%N Dimension of the space of weight 2n cuspidal newforms for Gamma_0( 23 ).
%H William A. Stein, <a href="http://wstein.org/Tables/dimskg0new.gp">Dimensions of the spaces S_k^{new}(Gamma_0(N))</a>
%H William A. Stein, <a href="http://wstein.org/Tables/">The modular forms database</a>
%H <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (0,1,1,0,-1).
%F a(n) = a(n-2)+a(n-3)-a(n-5) for n>6. G.f.: x*(2 +5*x +7*x^2 +6*x^3 +3*x^4 -x^5)/((1 -x)^2*(1 +x)*(1 +x +x^2)). [_Colin Barker_, Sep 27 2012]
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Jul 10 2001
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