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 A063143 Dimension of the space of weight 2n cusp forms for Gamma_0( 75 ). 0

%I

%S 5,24,44,64,84,104,124,144,164,184,204,224,244,264,284,304,324,344,

%T 364,384,404,424,444,464,484,504,524,544,564,584,604,624,644,664,684,

%U 704,724,744,764,784,804,824,844,864,884,904,924,944,964

%N Dimension of the space of weight 2n cusp forms for Gamma_0( 75 ).

%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 10 2019: (Start)

%F G.f.: x*(5 + 14*x + x^2) / (1 - x)^2.

%F a(n) = 2*a(n-1) - a(n-2) for n>3.

%F a(n) = 4*(5*n-4) for n>1.

%F (End)

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Jul 08 2001

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Last modified February 7 06:02 EST 2023. Contains 360112 sequences. (Running on oeis4.)