A159050 Dimension of the space of weight 2 modular forms for Gamma_1(n).

0, 1, 1, 2, 3, 3, 5, 5, 7, 7, 10, 9, 13, 12, 16, 15, 20, 17, 24, 22, 28, 25, 33, 28, 39, 33, 42, 39, 49, 40, 55, 48, 60, 52, 72, 56, 75, 63, 80, 72, 90, 72, 98, 85, 104, 88, 115, 92, 128, 103, 128, 114, 143, 111, 160, 132, 156, 133, 174, 136, 185, 150, 192, 164, 216