A386070 Primes having only {0, 4, 5, 7} as digits.
5, 7, 47, 457, 547, 557, 577, 757, 4007, 4057, 4447, 4457, 4507, 4547, 5077, 5407, 5477, 5507, 5557, 7057, 7457, 7477, 7507, 7547, 7577, 7757, 40507, 40577, 44507, 44777, 45007, 45077, 45557, 45707, 45757, 47057, 47407, 47507, 47777, 50047, 50077, 50707, 50777
Offset: 1