A093281 - OEIS

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A093281

a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 81.

0, 81, 9729, 996399, 99954999, 99630099630, 999993699999, 99999927999999, 99999991899999991, 9999999990999999999 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`Hans Havermann, Table of A093211-A093299`
	EXAMPLE	`a(4) is 996399 because its length-4 substrings (9963, 9639, 6399) are all distinct and divisible by 81 and there is no larger number with this property`
	CROSSREFS	`Cf. A093211, A093212, ..., A093299.` `Sequence in context: A178511 A184337 A034993 * A059988 A017020 A185847` `Adjacent sequences: A093278 A093279 A093280 * A093282 A093283 A093284`
	KEYWORD	`base,nonn`
	AUTHOR	`Hans Havermann (gladhobo(AT)teksavvy.com), Mar 29 2004`

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.