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A063143
Dimension of the space of weight 2n cusp forms for Gamma_0( 75 ).
0
5, 24, 44, 64, 84, 104, 124, 144, 164, 184, 204, 224, 244, 264, 284, 304, 324, 344, 364, 384, 404, 424, 444, 464, 484, 504, 524, 544, 564, 584, 604, 624, 644, 664, 684, 704, 724, 744, 764, 784, 804, 824, 844, 864, 884, 904, 924, 944, 964
OFFSET
1,1
FORMULA
Conjectures from Colin Barker, Jun 10 2019: (Start)
G.f.: x*(5 + 14*x + x^2) / (1 - x)^2.
a(n) = 2*a(n-1) - a(n-2) for n>3.
a(n) = 4*(5*n-4) for n>1.
(End)
CROSSREFS
Sequence in context: A335352 A056234 A030766 * A006145 A219509 A372455
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 08 2001
STATUS
approved