login
A063150
Dimension of the space of weight 2n cusp forms for Gamma_0( 82 ).
0
9, 30, 50, 72, 92, 114, 134, 156, 176, 198, 218, 240, 260, 282, 302, 324, 344, 366, 386, 408, 428, 450, 470, 492, 512, 534, 554, 576, 596, 618, 638, 660, 680, 702, 722, 744, 764, 786, 806, 828, 848, 870, 890, 912, 932, 954, 974, 996, 1016
OFFSET
1,1
FORMULA
Conjectures from Colin Barker, Jun 10 2019: (Start)
G.f.: x*(9 + 21*x + 11*x^2 + x^3) / ((1 - x)^2*(1 + x)).
a(n) = a(n-1) + a(n-2) - a(n-3) for n>4.
a(n) = ((-1)^n + 42*n - 25) / 2 for n>1.
(End)
CROSSREFS
Sequence in context: A185653 A326150 A167154 * A063161 A295867 A195319
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 08 2001
STATUS
approved