The prime a(n) = concatenate(A231206(S(n-1)+1 .. S(n))) occurring in the construction of A231206, where S(n) = Sum_{1 <= k <= n} A231206(k).
A231207
The prime a(n) = concatenate(A231206(S(n-1)+1 .. S(n))) occurring in the construction of A231206, where S(n) = Sum_{1 <= k <= n} A231206(k).
Terms
- a(0) =23a(1) =149a(2) =5a(3) =67819a(5) =1820212259a(6) =232425262763
External references
- oeis: A231207