A036317 Composite numbers n such that digits of prime factors of n are either 3 or 8.

9, 27, 81, 243, 249, 729, 747, 1149, 2187, 2241, 2649, 3447, 6561, 6723, 6889, 7947, 10341, 11499, 19683, 20169, 20667, 23841, 31023, 31789, 34497, 59049, 60507, 62001, 71523, 73289, 93069, 95367, 103491, 114999, 116499, 146689, 177147