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A063152
Dimension of the space of weight 2n cusp forms for Gamma_0( 84 ).
0
11, 42, 74, 106, 138, 170, 202, 234, 266, 298, 330, 362, 394, 426, 458, 490, 522, 554, 586, 618, 650, 682, 714, 746, 778, 810, 842, 874, 906, 938, 970, 1002, 1034, 1066, 1098, 1130, 1162, 1194, 1226, 1258, 1290, 1322, 1354, 1386, 1418, 1450, 1482, 1514, 1546
OFFSET
1,1
FORMULA
Conjectures from Colin Barker, Jun 10 2019: (Start)
G.f.: x*(11 + 20*x + x^2) / (1 - x)^2.
a(n) = 2*a(n-1) - a(n-2) for n>3.
a(n) = 32*n - 22 for n>1.
(End)
CROSSREFS
Sequence in context: A020452 A249413 A003356 * A338627 A101985 A055437
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 08 2001
STATUS
approved