Consider all (2n+1)-digit palindromic primes of the form 90...0M0...09 (so that M is a palindrome with <= 2n-1 digits); a(n) = smallest such M.
A100957
Consider all (2n+1)-digit palindromic primes of the form 90...0M0...09 (so that M is a palindrome with <= 2n-1 digits); a(n) = smallest such M.
Terms
- a(0) =1a(1) =7a(2) =2a(3) =1a(4) =2a(5) =5a(6) =838a(7) =232a(8) =121a(9) =8a(10) =151a(11) =202a(12) =2a(13) =101a(14) =646a(15) =5a(16) =1a(17) =151a(18) =424a(19) =404a(20) =242a(21) =131a(22) =646a(23) =272a(24) =16361a(25) =1a(26) =494a(27) =1a(28) =868a(29) =101
External references
- oeis: A100957