A063111 - OEIS

%I #10 Aug 22 2019 12:18:12

%S 3,10,18,24,32,40,46,54,62,68,76,84,90,98,106,112,120,128,134,142,150,

%T 156,164,172,178,186,194,200,208,216,222,230,238,244,252,260,266,274,

%U 282,288,296,304,310,318,326,332,340,348,354,362

%N Dimension of the space of weight 2n cusp forms for Gamma_0( 43 ).

%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*(3 + 7*x + 8*x^2 + 3*x^3 + x^4) / ((1 - x)^2*(1 + x + x^2)).

%F a(n) = a(n-1) + a(n-3) - a(n-4) for n>5.

%F (End)

%K nonn

%O 1,1

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