A386053 Primes having only {0, 2, 7, 8} as digits.
2, 7, 227, 277, 727, 787, 827, 877, 887, 2027, 2087, 2207, 2287, 2707, 2777, 2887, 7027, 7207, 7727, 7877, 8087, 8287, 8707, 8807, 8887, 20287, 20707, 20807, 20887, 22027, 22277, 22727, 22777, 22787, 22807, 22877, 27077, 27277, 27827, 28027, 28087, 28277, 28807
Offset: 1