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A063158
Dimension of the space of weight 2n cusp forms for Gamma_0( 90 ).
0
11, 46, 82, 118, 154, 190, 226, 262, 298, 334, 370, 406, 442, 478, 514, 550, 586, 622, 658, 694, 730, 766, 802, 838, 874, 910, 946, 982, 1018, 1054, 1090, 1126, 1162, 1198, 1234, 1270, 1306, 1342, 1378, 1414, 1450, 1486, 1522, 1558, 1594, 1630, 1666, 1702
OFFSET
1,1
FORMULA
Conjectures from Colin Barker, Jun 10 2019: (Start)
G.f.: x*(11 + 24*x + x^2) / (1 - x)^2.
a(n) = 2*a(n-1) - a(n-2) for n>3.
a(n) = 36*n-26 for n>1.
(End)
CROSSREFS
Sequence in context: A110114 A116193 A282095 * A081587 A223834 A359096
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 08 2001
STATUS
approved