A052426 Numbers with no two-digit factors (including itself).

1, 2, 3, 4, 5, 6, 7, 8, 9, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 202, 206, 211, 214, 218, 223, 226, 227, 229, 233, 239, 241, 251, 254, 257, 262, 263, 269, 271, 274, 278, 298, 302, 303, 309, 314