A063159 Dimension of the space of weight 2n cusp forms for Gamma_0( 91 ).

7, 26, 46, 62, 82, 102, 118, 138, 158, 174, 194, 214, 230, 250, 270, 286, 306, 326, 342, 362, 382, 398, 418, 438, 454, 474, 494, 510, 530, 550, 566, 586, 606, 622, 642, 662, 678, 698, 718, 734, 754, 774, 790, 810, 830, 846, 866, 886, 902

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 11 2019: (Start)

G.f.: x*(1 + x)*(7 + 12*x + 8*x^2 + x^3) / ((1 - x)^2*(1 + x + x^2)).

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

(End)

Crossrefs

Sequence in context: A125972 A063153 A063578 * A274268 A059376 A206481

Adjacent sequences: A063156 A063157 A063158 * A063160 A063161 A063162

Keyword

nonn

Author

N. J. A. Sloane, Jul 08 2001

Status

approved