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A063136 Dimension of the space of weight 2n cusp forms for Gamma_0( 68 ). 0
7, 24, 42, 60, 78, 96, 114, 132, 150, 168, 186, 204, 222, 240, 258, 276, 294, 312, 330, 348, 366, 384, 402, 420, 438, 456, 474, 492, 510, 528, 546, 564, 582, 600, 618, 636, 654, 672, 690, 708, 726, 744, 762, 780, 798, 816, 834, 852, 870, 888, 906, 924, 942 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..53.

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*(7 + 10*x + x^2) / (1 - x)^2.

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

a(n) = 6*(3*n-2) for n>1.

(End)

CROSSREFS

Sequence in context: A063165 A154612 A031084 * A031306 A217749 A006707

Adjacent sequences:  A063133 A063134 A063135 * A063137 A063138 A063139

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 08 2001

STATUS

approved

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Last modified October 25 01:40 EDT 2021. Contains 348233 sequences. (Running on oeis4.)