a(1) = 1; for n>1, a(n+1) is the least number such that there are a(n) palindromes between a(n) and a(n+1) with both ends excluded.

A100772

a(1) = 1; for n>1, a(n+1) is the least number such that there are a(n) palindromes between a(n) and a(n+1) with both ends excluded.

Terms

    a(0) =1a(1) =3a(2) =7a(3) =56a(4) =617a(5) =58886a(6) =495747595

External references