id:A083151 - OEIS Search Results

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a(1) = 5, a(n) = smallest nontrivial palindromic multiple of a(n-1). a(n) is not equal to a(n-1) or a concatenation of a(n-1) with itself.

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5, 505, 5555, 505505, 516615, 5115005115, 56265056265, 511505626505115, 520116823727328611025 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Multiplier for a(9) larger than 1000000000.`
	LINKS	`P. De Geest, WONplate 36`
	CROSSREFS	`Cf. A083152.` `Adjacent sequences: A083148 A083149 A083150 this_sequence A083152 A083153 A083154` `Sequence in context: A012822 A124358 A114066 this_sequence A128682 A068234 A012741`
	KEYWORD	`base,more,nonn`
	AUTHOR	`Amarnath Murthy and Meenakshi Srikanth (amarnath_murthy(AT)yahoo.com), Apr 25 2003`
	EXTENSIONS	`More terms from Patrick De Geest (pdg(AT)worldofnumbers.com), Jun 05 2003`

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.