Greatest prime divisor of prime(n)*prime(n-1) + 1.

Terms

a(0) =3a(1) =7a(2) =2a(3) =3a(4) =13a(5) =3a(6) =37a(7) =3a(8) =73a(9) =167a(10) =5a(11) =41a(12) =23a(13) =7a(14) =337a(15) =89a(16) =23a(17) =5a(18) =73a(19) =61a(20) =3a(21) =103a(22) =1093a(23) =1847a(24) =1439a(25) =71a(26) =17a(27) =167a(28) =3a(29) =2053