For the Collatz (3x+1) iterations starting with a prime number p, a(n) is the smallest p such that the trajectory contains n successive prime numbers.
A225851
For the Collatz (3x+1) iterations starting with a prime number p, a(n) is the smallest p such that the trajectory contains n successive prime numbers.
Terms
- a(0) =3a(1) =3a(2) =7a(3) =7a(4) =7a(5) =19a(6) =59a(7) =59a(8) =59a(9) =59a(10) =157a(11) =13397a(12) =2312267a(13) =97760291a(14) =1042776437
External references
- oeis: A225851