id:A136907 - OEIS Search Results

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Numbers n such that n and the square of n use only the digits 0, 2, 4, 7 and 9.

+0
1

0, 2, 7, 20, 27, 47, 70, 97, 200, 270, 470, 497, 700, 970, 997, 2000, 2700, 4700, 4970, 4997, 7000, 9700, 9970, 9997, 20000, 22247, 27000, 44747, 44777, 47000, 49700, 49777, 49970, 49997, 70000, 97000, 99700, 99970, 99997, 200000, 222470, 270000, 447470, 447770, 470000, 497000, 497770, 499297, 499700, 499777, 499970, 499997, 700000, 704997, 970000 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Generated with DrScheme`
	LINKS	`Jonathan Wellons, Table of n, a(n) for n=1..1038` `J. Wellons, Tables of Shared Digits`
	EXAMPLE	`949092947094747^2 = 900777422224992227907794994009`
	CROSSREFS	`Adjacent sequences: A136904 A136905 A136906 this_sequence A136908 A136909 A136910` `Sequence in context: A056650 A045858 A035402 this_sequence A090145 A123203 A134311`
	KEYWORD	`base,nonn`
	AUTHOR	`Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008`

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Last modified January 7 17:35 EST 2009. Contains 152824 sequences.

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