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A063134

Dimension of the space of weight 2n cusp forms for Gamma_0( 66 ).

9, 32, 56, 80, 104, 128, 152, 176, 200, 224, 248, 272, 296, 320, 344, 368, 392, 416, 440, 464, 488, 512, 536, 560, 584, 608, 632, 656, 680, 704, 728, 752, 776, 800, 824, 848, 872, 896, 920, 944, 968, 992, 1016, 1040, 1064, 1088, 1112, 1136

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..48.

William A. Stein, Dimensions of the spaces S_k(Gamma_0(N)).

William A. Stein, The modular forms database

FORMULA

Conjectures from Colin Barker, Jun 10 2019: (Start)

G.f.: x*(9 + 14*x + x^2) / (1 - x)^2.

a(n) = 2*a(n-1) - a(n-2) for n>3.

a(n) = 8*(3*n-2) for n>1.

(End)

CROSSREFS

Sequence in context: A130510 A120498 A155098 * A027620 A152619 A051662

Adjacent sequences: A063131 A063132 A063133 * A063135 A063136 A063137

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 08 2001

STATUS

approved

URL: https://oeis.org/A063134

⇱ A063134 - OEIS