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

5, 24, 44, 64, 84, 104, 124, 144, 164, 184, 204, 224, 244, 264, 284, 304, 324, 344, 364, 384, 404, 424, 444, 464, 484, 504, 524, 544, 564, 584, 604, 624, 644, 664, 684, 704, 724, 744, 764, 784, 804, 824, 844, 864, 884, 904, 924, 944, 964

Offset

1,1

Links

Table of n, a(n) for n=1..49.

William A. Stein, Dimensions of the spaces S_k(Gamma_0(N)).

William A. Stein, The modular forms database

Formula

Conjectures from Colin Barker, Jun 10 2019: (Start)

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

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

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

(End)

Crossrefs

Sequence in context: A335352 A056234 A030766 * A006145 A219509 A202326

Adjacent sequences: A063140 A063141 A063142 * A063144 A063145 A063146

Keyword

nonn

Author

N. J. A. Sloane, Jul 08 2001

Status

approved