A117781 - OEIS

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A117781

Total number of palindromic primes in base 6 below 6^n.

3, 4, 10, 10, 31, 31, 126, 126, 571, 571 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`Every palindrome with an even number of digits is divisible by 11 (in base 6) and therefore is composite (not prime). Hence there is only one palindromic prime with an even number of digits.`
	LINKS	`Eric Weisstein: Palindromic Prime.`
	CROSSREFS	`Cf. A029974, A117701.` `Sequence in context: A191150 A023896 A128488 * A075100 A066861 A191192` `Adjacent sequences: A117778 A117779 A117780 * A117782 A117783 A117784`
	KEYWORD	`nonn,base`
	AUTHOR	`Martin Renner (martin.renner(AT)gmx.net), Apr 15 2006`

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Last modified February 17 11:35 EST 2012. Contains 206011 sequences.