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A063107
Dimension of the space of weight 2n cusp forms for Gamma_0( 39 ).
0
3, 12, 22, 30, 40, 50, 58, 68, 78, 86, 96, 106, 114, 124, 134, 142, 152, 162, 170, 180, 190, 198, 208, 218, 226, 236, 246, 254, 264, 274, 282, 292, 302, 310, 320, 330, 338, 348, 358, 366, 376, 386, 394, 404, 414, 422, 432, 442, 450, 460
OFFSET
1,1
FORMULA
Conjectures from Colin Barker, Jun 09 2019: (Start)
G.f.: x*(1 + x)^2*(3 + 3*x + x^2) / ((1 - x)^2*(1 + x + x^2)).
a(n) = a(n-1) + a(n-3) - a(n-4) for n>5.
(End)
CROSSREFS
Sequence in context: A110419 A031223 A063598 * A015629 A341374 A154138
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 08 2001
STATUS
approved