A063140 Dimension of the space of weight 2n cusp forms for Gamma_0( 72 ).

5, 28, 52, 76, 100, 124, 148, 172, 196, 220, 244, 268, 292, 316, 340, 364, 388, 412, 436, 460, 484, 508, 532, 556, 580, 604, 628, 652, 676, 700, 724, 748, 772, 796, 820, 844, 868, 892, 916, 940, 964, 988, 1012, 1036, 1060, 1084, 1108, 1132

Offset

1,1

Links

Table of n, a(n) for n=1..48.

William A. Stein, Dimensions of the spaces S_k(Gamma_0(N)).

William A. Stein, The modular forms database

Formula

Conjecture: a(n) = 24*n-20 for n>1. a(n) = 2*a(n-1)-a(n-2) for n>3. G.f.: x*(5+18*x+x^2)/(1-x)^2. [Colin Barker, Sep 23 2012]

Crossrefs

Sequence in context: A106679 A341061 A161165 * A316560 A275709 A257093

Adjacent sequences: A063137 A063138 A063139 * A063141 A063142 A063143

Keyword

nonn

Author

N. J. A. Sloane, Jul 08 2001

Status

approved