id:A054220 - OEIS Search Results

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Concatenation of n in base 2 up to base 10 is divisible by at least one of these base b numbers, all numbers interpreted as decimals.

+0
2

1, 2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 20, 24, 32, 36, 40, 64, 70, 72, 80, 96, 100, 104, 116, 128, 131, 144, 160, 168, 192, 200, 216, 256, 288, 292, 293, 300, 320, 336, 344, 360, 362, 370, 380, 400, 432, 512, 536, 544, 560, 576, 640, 648, 727, 768, 800, 864 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`E.g. n=9 -> 1001{2}=100{3}=21{4}=14{5}=13{6}=12{7}=11{8}=10{9}=9{10} -> 10011002114131211109 which is divisible by 21 (from 9 in base 4).`
	CROSSREFS	`Cf. A054219.` `Adjacent sequences: A054217 A054218 A054219 this_sequence A054221 A054222 A054223` `Sequence in context: A106577 A068577 A035033 this_sequence A143896 A085451 A064150`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Feb 15 2000.`

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.

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