A235922 Minimal k > 1 such that the base-k representation of the n-th palindrome in A002113, read in decimal, is also palindrome.

2, 2, 3, 2, 3, 2, 5, 2, 3, 2, 10, 10, 2, 10, 4, 10, 10, 5, 2, 10, 6, 3, 10, 6, 3, 10, 7, 10, 6, 10, 3, 10, 10, 3, 5, 10, 10, 5, 7, 10, 2, 10, 8, 6, 10, 10, 4, 10, 4, 10, 8, 10, 6, 10, 10, 9, 10, 3, 10, 10, 10, 10, 10, 10, 9, 10, 10, 2, 10, 10, 10, 5, 10, 9, 3, 4, 5, 10, 10, 10, 2, 10, 10, 10, 3

Offset: 1

Author

Vladimir Shevelev, Jan 17 2014

Keywords

• nonn
• base

Comments

We conjecture that limit of average (a(1)+...+a(n))/n exists and equals 10.

Crossrefs

Cf. A002113, A235354.