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%I #9 Aug 22 2019 12:18:12
%S 7,30,54,78,102,126,150,174,198,222,246,270,294,318,342,366,390,414,
%T 438,462,486,510,534,558,582,606,630,654,678,702,726,750,774,798,822,
%U 846,870,894,918,942,966,990,1014,1038,1062,1086,1110,1134
%N Dimension of the space of weight 2n cusp forms for Gamma_0( 60 ).
%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 08 2019: (Start)
%F G.f.: x*(7 + 16*x + x^2) / (1 - x)^2.
%F a(n) = 2*a(n-1) - a(n-2) for n>3.
%F a(n) = 6*(4*n-3) for n>1.
%F (End)
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Jul 08 2001
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