A083456 - OEIS

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A083456

Smallest nontrivial k such that k^n + 1 is a palindrome (k>1 for n>1).

1, 2, 2, 5, 2, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`The sequence is infinite as 10 always qualifies to be a member. a(n) <= 10. Are there members not equal to 10 for n > 5?`
	EXAMPLE	`a(5) = 2 as 2^5 + 1 = 33 is a palindrome.`
	CROSSREFS	`Sequence in context: A025124 A030996 A051612 * A068058 A192233 A144943` `Adjacent sequences: A083453 A083454 A083455 * A083457 A083458 A083459`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy and Meenakshi Srikanth (amarnath_murthy(AT)yahoo.com), May 01 2003`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Nov 11 2004`

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Last modified February 14 22:07 EST 2012. Contains 205668 sequences.