A115943 - OEIS

A115943

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

1, 11, 6, 14, 16, 21, 51, 28, 72, 156, 203, 618, 1041, 4205, 3014, 9188, 9629, 24444, 9629, 43657, 9629, 98074, 108589

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OFFSET

1,2

LINKS

EXAMPLE

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

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

CROSSREFS

KEYWORD

nonn,base

AUTHOR

EXTENSIONS

Extended by Giovanni Resta, Apr 04 2014

STATUS

approved