A115942 - OEIS

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A115942

a(n) is the least k such that 2^k contains a palindromic substring of length n.

1

0, 16, 17, 41, 43, 41, 76, 274, 76, 468

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

a(6)=41 since the first palindromic substring of length 6

appears in 2^41=2199023(255552).

CROSSREFS

Sequence in context: A070869 A101196 A064637 * A052059 A041526 A041524

Adjacent sequences: A115939 A115940 A115941 * A115943 A115944 A115945

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved