A117865 - OEIS

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A117865

Number of palindromes (in base 6) below 6^n.

5, 10, 40, 70, 250, 430, 1510, 2590, 9070, 15550 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	FORMULA	`a(n) = 76^((n-1)/2)-2 (n odd), 26^(n/2)-2 (n even).`
	CROSSREFS	`Cf. A050250.` `Sequence in context: A174933 A191580 A179306 * A163305 A001692 A038070` `Adjacent sequences: A117862 A117863 A117864 * A117866 A117867 A117868`
	KEYWORD	`nonn,base`
	AUTHOR	`Martin Renner (martin.renner(AT)gmx.net), May 02 2006`

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Last modified February 15 10:06 EST 2012. Contains 205763 sequences.