Least semiprime for which n-1 iterations of "Look & Say" (A045918) all yield semiprimes, but not the n-th iteration.
A205300
Least semiprime for which n-1 iterations of "Look & Say" (A045918) all yield semiprimes, but not the n-th iteration.
Terms
- a(0) =6a(1) =14a(2) =4a(3) =119a(4) =933a(5) =21161a(6) =588821a(7) =26600591
External references
- oeis: A205300