a(1) = 3 then a(n) = smallest multiple of a(n-1) > a(n-1) such that a(n) - 1 is a prime.
A084717
a(1) = 3 then a(n) = smallest multiple of a(n-1) > a(n-1) such that a(n) - 1 is a prime.
Terms
- a(0) =3a(1) =6a(2) =12a(3) =24a(4) =48a(5) =192a(6) =384a(7) =1152a(8) =6912a(9) =27648a(10) =138240a(11) =691200a(12) =3456000a(13) =34560000a(14) =138240000a(15) =414720000a(16) =2073600000a(17) =16588800000a(18) =364953600000
External references
- oeis: A084717