The smallest prime with digit sum n and maximum digit product (or 0 if no such prime exists).

Terms

a(0) =2a(1) =3a(2) =13a(3) =23a(4) =0a(5) =43a(6) =233a(7) =0a(8) =433a(9) =2333a(10) =0a(11) =3343a(12) =23333a(13) =0a(14) =33343a(15) =323333a(16) =0a(17) =333433a(18) =3233333a(19) =0a(20) =3333433a(21) =32333333a(22) =0a(23) =34333333a(24) =333233333a(25) =0a(26) =333334333a(27) =3233333333a(28) =0a(29) =3334333333