A115942 - OEIS

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A115942

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

0, 16, 17, 41, 43, 41, 76, 274, 76, 468 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	EXAMPLE	`a(6)=41 since the first palindromic substring of length 6` `appears in 2^41=2199023(255552).`
	CROSSREFS	`Cf. A115943.` `Sequence in context: A070869 A101196 A064637 * A052059 A041526 A041524` `Adjacent sequences: A115939 A115940 A115941 * A115943 A115944 A115945`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006`

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Last modified February 15 19:15 EST 2012. Contains 205852 sequences.