id:A117861 - OEIS Search Results

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Number of palindromes of length n (in base 9).

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8, 8, 72, 72, 648, 648, 5832, 5832, 52488, 52488, 472392, 472392 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n) = 8*9^floor((n-1)/2)`
	CROSSREFS	`Cf. A050683.` `Sequence in context: A038286 A019216 A020552 this_sequence A082798 A119932 A065241` `Adjacent sequences: A117858 A117859 A117860 this_sequence A117862 A117863 A117864`
	KEYWORD	`nonn`
	AUTHOR	`Martin Renner (martin.renner(AT)gmx.net), May 02 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.