A115943 - OEIS

%I #4 Apr 04 2014 18:30:53

%S 1,11,6,14,16,21,51,28,72,156,203,618,1041,4205,3014,9188,9629,24444,

%T 9629,43657,9629,98074,108589

%N a(n) is the least k, not multiple of 10, such that k^k contains a palindromic substring of length n.

%e a(5)=16 since the first palindromic substring of length 5

%e appears in 16^16=18446744(07370)9551616.

%Y Cf. A115942.

%K nonn,base

%O 1,2

%A _Giovanni Resta_, Feb 06 2006

%E Extended by _Giovanni Resta_, Apr 04 2014