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A063295
Dimension of the space of weight n cuspidal newforms for Gamma_1( 22 ).
0
-1, 4, 10, 15, 20, 25, 30, 33, 40, 43, 50, 55, 60, 61, 70, 73, 80, 83, 90, 91, 100, 101, 110, 113, 120, 119, 130, 131, 140, 141, 150, 149, 160, 159, 170, 171, 180, 177, 190, 189, 200, 199, 210, 207, 220, 217, 230, 229, 240, 235, 250, 247, 260
OFFSET
2,2
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 -4*x -10*x^2 -15*x^3 -21*x^4 -21*x^5 -21*x^6 -14*x^7 -10*x^8 -3*x^9 +x^10 -x^11) / ((1 -x)^2*(1 +x)^2*(1 -x +x^2)*(1 +x^2)*(1 +x +x^2)).
(End)
CROSSREFS
Sequence in context: A310455 A367349 A310456 * A310457 A310458 A310459
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Jul 14 2001
STATUS
approved