id:A111381 - OEIS Search Results

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Least multiple of n as a concatenation of two successive natural numbers k and k+1.

+0
2

10, 10, 12, 12, 10, 12, 21, 32, 45, 910, 1617, 1716, 65, 56, 45, 32, 34, 54, 76, 1920, 1617, 1716, 1817, 1920, 2425, 78, 54, 56, 87, 1110, 2728, 1312, 1617, 3332, 910, 3132, 1110, 76, 78, 1920, 1312, 3738, 2021, 1716, 4140, 4140, 2021, 1920, 98 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`'Multiple' means >1 and we allow either left-to-right or right-to-left concatenations.`
	CROSSREFS	`Cf. A113595.` `Sequence in context: A162720 A112867 A063697 this_sequence A063660 A167427 A047879` `Adjacent sequences: A111378 A111379 A111380 this_sequence A111382 A111383 A111384`
	KEYWORD	`base,nonn`
	AUTHOR	`Hans Havermann, Nov 08 2005`

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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.

AT&T Labs Research