id:A029455 - OEIS Search Results

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Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 10 (most significant digit on left).

+0
2

1, 2, 3, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 69, 75, 90, 100, 108, 120, 125, 135, 150, 162, 180, 200, 216, 225, 248, 250, 270, 300, 324, 360, 375, 405, 450, 470, 500, 540, 558, 600, 648, 675, 710, 750, 810, 900, 1000, 1053, 1080, 1116 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Right concatenation, normal order.`
	EXAMPLE	`n = 22 is not a term since 12345678910111213141516171819202122 is not divisible by 22.`
	CROSSREFS	`Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.` `Sequence in context: A047331 A161902 A029451 this_sequence A167803 A092213 A117142` `Adjacent sequences: A029452 A029453 A029454 this_sequence A029456 A029457 A029458`
	KEYWORD	`nonn,base`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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