Smallest product of two distinct primes of the form n*k+1.

Terms

a(0) =6a(1) =15a(2) =91a(3) =65a(4) =341a(5) =91a(6) =1247a(7) =697a(8) =703a(9) =341a(10) =1541a(11) =481a(12) =4187a(13) =1247a(14) =1891a(15) =1649a(16) =14111a(17) =703a(18) =43739a(19) =2501a(20) =5461a(21) =1541a(22) =6533a(23) =7081a(24) =15251a(25) =4187a(26) =17767a(27) =3277a(28) =13747a(29) =1891