A093220 - OEIS

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A093220

a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 20.

0, 800, 98000, 9980000, 999800000, 99998000000, 9999980000000 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`Hans Havermann, Table of A093211-A093299`
	EXAMPLE	`a(3) is 98000 because its length-3 substrings (980, 800, 000) are all distinct and divisible by 20 and there is no larger number with this property`
	CROSSREFS	`Cf. A093211, A093212, ..., A093299.` `Sequence in context: A097206 A093280 A093240 * A035757 A023100 A107553` `Adjacent sequences: A093217 A093218 A093219 * A093221 A093222 A093223`
	KEYWORD	`base,nonn`
	AUTHOR	`Hans Havermann (gladhobo(AT)teksavvy.com), Mar 28 2004`

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Last modified February 14 01:35 EST 2012. Contains 205567 sequences.