How many 3-digit primes with 3 distinct digits are there?
Same question for 4 -digit primes with 4 distinct digits.
Bonus: Generalize for n distinct primes and digits. (n=2 to 7).
AFAIK - not in OEIS.
(In reply to computer-assisted solution and extension (spoiler)
Your interpretation was exactly what I actualy meant
I have corrected the wording to avoid possible misunderstanding.
Thank you, Charlie both for your remarks and for quoting OEIS.