id:A083122 - OEIS Search Results

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a(1) = 1, then the smallest number not included earlier and not a string of 1's such that the concatenation a(n), a(n+1) is a palindrome.

+0
1

1, 21, 2, 12, 121, 1121, 211, 112, 1211, 11121, 2111, 1112, 12111, 111121, 21111, 11112, 121111 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Adjacent sequences: A083119 A083120 A083121 this_sequence A083123 A083124 A083125` `Sequence in context: A040438 A040439 A108718 this_sequence A040440 A013532 A040431`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Apr 23 2003`
	EXTENSIONS	`Corrected and extended by Ray G. Opao (1260(AT)email.com), Sep 22 2005`

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.