A063204 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A063204

Dimension of the space of weight 2n cuspidal newforms for Gamma_0( 25 ).

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