Take a squarefree semiprime and take the difference between its prime factors. If this difference is a squarefree semiprime repeat the process. Sequence lists the smallest squarefree semiprime that generates other squarefree semiprimes in the first n steps of this process.
A296808
Take a squarefree semiprime and take the difference between its prime factors. If this difference is a squarefree semiprime repeat the process. Sequence lists the smallest squarefree semiprime that generates other squarefree semiprimes in the first n steps of this process.
Terms
- a(0) =6a(1) =34a(2) =82a(3) =226a(4) =687a(5) =4786a(6) =14367a(7) =28738a(8) =373763a(9) =21408927a(10) =158279834a(11) =2690757467a(12) =36906080234
External references
- oeis: A296808