A063294 - OEIS

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A063294

Dimension of the space of weight n cuspidal newforms for Gamma_1( 21 ).

-1, 5, 18, 30, 42, 52, 64, 76, 86, 98, 110, 124, 132, 144, 154, 170, 178, 192, 200, 216, 222, 238, 246, 264, 268, 284, 290, 310, 314, 332, 336, 356, 358, 378, 382, 404, 404, 424, 426, 450, 450, 472, 472, 496, 494, 518, 518, 544, 540, 564, 562

(list; graph; refs; listen; history; text; internal format)

OFFSET

2,2

LINKS

Table of n, a(n) for n=2..52.

William A. Stein, Dimensions of the spaces S_k^{new}(Gamma_1(N))

William A. Stein, The modular forms database

FORMULA

g.f.: x^2*(x^9 +2*x^8 +13*x^7 +11*x^6 +17*x^5 +19*x^4 +11*x^3 +13*x^2 +6*x -1) / ((x -1)^2*(x +1)^2*(x^2 -x +1)*(x^2 +1)). - Colin Barker, Feb 24 2015

CROSSREFS

Sequence in context: A322409 A287894 A140365 * A063141 A154609 A063125

Adjacent sequences: A063291 A063292 A063293 * A063295 A063296 A063297

KEYWORD

sign

AUTHOR

N. J. A. Sloane, Jul 14 2001

STATUS

approved