2, 3, 5, 13, 17, 25, 31, 49, 61, 71, 73, 81, 103, 109, 113, 131, 139, 157, 173, 181, 191, 193, 199, 239, 241, 257, 269, 271, 283, 289, 293, 313, 353, 361, 373, 379, 409, 419, 421, 433, 439, 443, 463, 491, 499, 509, 571, 577, 599, 601, 607, 613, 619, 643, 647