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A063204 Dimension of the space of weight 2n cuspidal newforms for Gamma_0( 25 ). 0
0, 3, 7, 9, 13, 16, 19, 22, 26, 28, 32, 35, 38, 41, 45, 47, 51, 54, 57, 60, 64, 66, 70, 73, 76, 79, 83, 85, 89, 92, 95, 98, 102, 104, 108, 111, 114, 117, 121, 123, 127, 130, 133, 136, 140, 142, 146, 149, 152, 155 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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).

FORMULA

a(n) = a(n-2)+a(n-3)-a(n-5). G.f.: x^2*(3 +7*x +6*x^2 +3*x^3)/((1 -x)^2*(1 +x)*(1 +x +x^2)). [Colin Barker, Sep 27 2012]

CROSSREFS

Sequence in context: A140291 A032367 A285353 * A236208 A284884 A130568

Adjacent sequences:  A063201 A063202 A063203 * A063205 A063206 A063207

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 10 2001

STATUS

approved

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Last modified February 26 03:09 EST 2020. Contains 332272 sequences. (Running on oeis4.)