1,2

Table of n, a(n) for n=1..50.

William A. Stein, Dimensions of the spaces S_k^{new}(Gamma_0(N))

William A. Stein, The modular forms database

Index entries for linear recurrences with constant coefficients, signature (0,1,1,0,-1).

G.f.: x^2*(3+5*x+2*x^2-x^3+x^4) / ( (1+x)*(1+x+x^2)*(x-1)^2 ). - R. J. Mathar, Jul 15 2015

Sequence in context: A168056 A122800 A227950 * A058020 A069201 A272882

Adjacent sequences: A063199 A063200 A063201 * A063203 A063204 A063205

nonn

N. J. A. Sloane, Jul 10 2001

approved