Smallest prime whose digital product = n or 0 if impossible.

Terms

a(0) =11a(1) =2a(2) =3a(3) =41a(4) =5a(5) =23a(6) =7a(7) =181a(8) =19a(9) =251a(10) =0a(11) =43a(12) =0a(13) =127a(14) =53a(15) =281a(16) =0a(17) =29a(18) =0a(19) =541a(20) =37a(21) =0a(22) =0a(23) =83a(24) =11551a(25) =0a(26) =139a(27) =47a(28) =0a(29) =523