A085803 Semiprimes whose sum of the squares of the digits is also a semiprime.

15, 34, 35, 51, 57, 74, 91, 95, 121, 122, 123, 129, 134, 142, 143, 155, 161, 169, 183, 209, 213, 214, 218, 219, 221, 235, 237, 247, 253, 265, 274, 291, 299, 301, 305, 314, 319, 321, 323, 326, 327, 329, 334, 341, 361, 362, 381, 382, 391, 394, 395, 403, 407