A098887 Number of nonisomorphic groups with orders indexed by least prime signatures.

1, 1, 2, 2, 5, 5, 14, 15, 4, 51, 14, 52, 13, 267, 50, 231, 47, 2328, 197, 37, 1543, 12, 177, 208, 56092, 1045, 162, 20169, 41, 775, 1213, 10494213, 8681, 840, 1090235, 186, 4725, 150, 11394, 49487365422, 583, 157877, 131, 3609, 5958, 408641062, 1005