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%I #12 May 08 2023 04:54:16
%S -1,22,42,64,86,106,128,150,170,192,214,234,256,278,298,320,342,362,
%T 384,406,426,448,470,490,512,534,554,576,598,618,640,662,682,704,726,
%U 746,768,790,810,832,854,874,896,918,938,960,982,1002,1024
%N Dimension of the space of weight n cuspidal newforms for Gamma_1( 54 ).
%H William A. Stein, <a href="http://wstein.org/Tables/dimskg1new.gp">Dimensions of the spaces S_k^{new}(Gamma_1(N))</a>
%H William A. Stein, <a href="http://wstein.org/Tables/">The modular forms database</a>
%F From _Colin Barker_, Feb 24 2015: (Start)
%F a(n) = a(n-1)+a(n-3)-a(n-4) for n>6.
%F G.f.: -x^2*(x^4-23*x^3-20*x^2-23*x+1) / ((x-1)^2*(x^2+x+1)).
%F (End)
%K sign
%O 2,2
%A _N. J. A. Sloane_, Jul 14 2001
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