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A063282
Dimension of the space of weight n cuspidal newforms for Gamma_1( 9 ).
0
-1, 0, 2, 5, 8, 9, 12, 15, 16, 19, 22, 24, 26, 29, 30, 34, 36, 38, 40, 44, 44, 48, 50, 53, 54, 58, 58, 63, 64, 67, 68, 73, 72, 77, 78, 82, 82, 87, 86, 92, 92, 96, 96, 102, 100, 106, 106, 111, 110, 116, 114, 121, 120, 125, 124, 131, 128, 135, 134, 140
OFFSET
2,3
FORMULA
From Colin Barker, Feb 24 2016: (Start)
a(n) = a(n-4) + a(n-6) - a(n-10) for n>13.
G.f.: -x^2*(1 -2*x^2 -5*x^3 -9*x^4 -9*x^5 -11*x^6 -10*x^7 -6*x^8 -5*x^9 -x^10) / ((1 -x)^2*(1 +x)^2*(1 -x +x^2)*(1 +x^2)*(1 +x +x^2)).
(End)
CROSSREFS
Sequence in context: A108968 A289628 A047387 * A276882 A045928 A190768
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Jul 14 2001
STATUS
approved