Consider all (2n+1)-digit palindromic primes of the form 30...0M0...03 (so that M is a palindrome with <= 2n-1 digits); a(n) = smallest such M.

A100955

Consider all (2n+1)-digit palindromic primes of the form 30...0M0...03 (so that M is a palindrome with <= 2n-1 digits); a(n) = smallest such M.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =5a(5) =2a(6) =2a(7) =8a(8) =5a(9) =434a(10) =5a(11) =313a(12) =272a(13) =838a(14) =5a(15) =272a(16) =8a(17) =505a(18) =1a(19) =7a(20) =212a(21) =7a(22) =151a(23) =686a(24) =2a(25) =242a(26) =656a(27) =656a(28) =323a(29) =929

External references