a(n) is the least k, not multiple of 10, such that k^k contains a palindromic substring of length n.
A115943
a(n) is the least k, not multiple of 10, such that k^k contains a palindromic substring of length n.
Terms
- a(0) =1a(1) =11a(2) =6a(3) =14a(4) =16a(5) =21a(6) =51a(7) =28a(8) =72a(9) =156a(10) =203a(11) =618a(12) =1041a(13) =4205a(14) =3014a(15) =9188a(16) =9629a(17) =24444a(18) =9629a(19) =43657a(20) =9629a(21) =98074a(22) =108589
External references
- oeis: A115943