id:A028348 - OEIS Search Results

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Numbers n such that n^2 + n - 1 is a palindrome.

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1, 2, 6, 10, 12, 21, 29, 35, 94, 100, 117, 122, 325, 380, 442, 1000, 1132, 1307, 3073, 10000, 10325, 10602, 12652, 13207, 30404, 30834, 31474, 32672, 95603, 96439, 100000, 110665, 234566 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`P. De Geest, Palindromic Quasi_Under_Squares of the form n+(n+1)^2`
	CROSSREFS	`Cf. A028349.` `Sequence in context: A097381 A055743 A071638 this_sequence A140776 A108783 A066679` `Adjacent sequences: A028345 A028346 A028347 this_sequence A028349 A028350 A028351`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com)`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

AT&T Labs Research