id:A084383 - OEIS Search Results

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a(0)=0; for n>0, a(n) = smallest number that is not a concatenation of any number of distinct earlier terms in increasing order.

+0
4

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 20, 21, 22, 30, 31, 32, 33, 40, 41, 42, 43, 44, 50, 51, 52, 53, 54, 55, 60, 61, 62, 63, 64, 65, 66, 70, 71, 72, 73, 74, 75, 76, 77, 80, 81, 82, 83, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`After 11 we can see 1,2 -> 12, 1,3 ->13, etc., but not 20.`
	CROSSREFS	`Hannah Rollman's numbers: A048991, A048992.` `Adjacent sequences: A084380 A084381 A084382 this_sequence A084384 A084385 A084386` `Sequence in context: A130573 A032980 A130571 this_sequence A032873 A072543 A009996`
	KEYWORD	`nonn,base`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 29 2003.`
	EXTENSIONS	`More terms from Patrick De Geest (pdg(AT)worldofnumbers.com), Jun 03 2003.`

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

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