A063288 Dimension of the space of weight n cuspidal newforms for Gamma_1( 15 ).

-1, 1, 8, 14, 20, 24, 30, 36, 40, 46, 52, 60, 62, 68, 72, 82, 84, 92, 94, 104, 104, 114, 116, 128, 126, 136, 136, 150, 148, 160, 158, 172, 168, 182, 180, 196, 190, 204, 200, 218, 212, 228, 222, 240, 232, 250, 244, 264, 254, 272, 264, 286, 276

Offset

2,3

Links

Table of n, a(n) for n=2..54.

William A. Stein, Dimensions of the spaces S_k^{new}(Gamma_1(N))

William A. Stein, The modular forms database

Formula

g.f.: x^2*(x^9+7*x^7+5*x^6+9*x^5+9*x^4+5*x^3+7*x^2+2*x-1) / ((x-1)^2*(x+1)^2*(x^2-x+1)*(x^2+1)). - Colin Barker, Feb 24 2015

Crossrefs

Sequence in context: A125163 A309355 A374223 * A136798 A172182 A091575

Adjacent sequences: A063285 A063286 A063287 * A063289 A063290 A063291

Keyword

sign

Author

N. J. A. Sloane, Jul 14 2001

Status

approved