Least m such that one less than m-th prime has n divisors (or 0 if no such prime exists).

Terms

a(0) =2a(1) =3a(2) =4a(3) =7a(4) =6a(5) =0a(6) =11a(7) =12a(8) =30a(9) =0a(10) =18a(11) =0a(12) =44a(13) =79a(14) =47a(15) =0a(16) =42a(17) =0a(18) =53a(19) =106a(20) =1581a(21) =0a(22) =82a(23) =211a(24) =1470a(25) =595a(26) =319a(27) =0a(28) =169a(29) =0