OFFSET
2,2
LINKS
William A. Stein, Dimensions of the spaces S_k^{new}(Gamma_1(N))
William A. Stein, The modular forms database
Index entries for linear recurrences with constant coefficients, signature (1,0,-1,2,-1,0,1,-1).
FORMULA
g.f.: x^2*(x^9 +12*x^8 +73*x^7 +71*x^6 +87*x^5 +129*x^4 +71*x^3 +73*x^2 +56*x -1) / ((x -1)^2*(x +1)^2*(x^2 -x +1)*(x^2 +1)). - Colin Barker, Feb 24 2015
MATHEMATICA
Drop[CoefficientList[Series[x^2(x^9+12x^8+73x^7+71x^6+87x^5+129x^4+71x^3+73x^2+56x-1)/((x-1)^2(x+1)^2(x^2-x+1)(x^2+1)), {x, 0, 60}], x], 2] (* or *) LinearRecurrence[{1, 0, -1, 2, -1, 0, 1, -1}, {-1, 55, 128, 200, 272, 342, 414, 486, 556, 628}, 60] (* Harvey P. Dale, May 12 2024 *)
CROSSREFS
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Jul 14 2001
STATUS
approved