OFFSET
2,2
LINKS
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^11 -x^10 +20*x^9 +44*x^8 +65*x^7 +89*x^6 +89*x^5 +89*x^4 +66*x^3 +44*x^2 +21*x -1) / ((x -1)^2*(x +1)^2*(x^2 -x +1)*(x^2 +1)*(x^2 +x +1)). [Colin Barker, Jan 13 2013]
CROSSREFS
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Jul 14 2001
STATUS
approved