A386044 Primes having only {0, 2, 3, 7} as digits.
2, 3, 7, 23, 37, 73, 223, 227, 233, 277, 307, 337, 373, 727, 733, 773, 2003, 2027, 2203, 2207, 2237, 2273, 2333, 2377, 2707, 2777, 3023, 3037, 3203, 3307, 3323, 3373, 3727, 3733, 7027, 7207, 7237, 7307, 7333, 7703, 7723, 7727, 20023, 20233, 20323, 20327, 20333
Offset: 1