id:A137107 - OEIS Search Results

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Numbers n such that n and the square of n use only the digits 2, 4, 7, 8 and 9.

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2, 7, 22, 27, 28, 88, 222, 278, 288, 472, 478, 882, 972, 2788, 2878, 4722, 4778, 4788, 8788, 8882, 28772, 28788, 49272, 49277, 49472, 49722, 49777, 49778, 49788, 49827, 88277, 88472, 88878, 99722, 278788, 278978, 279272, 287972, 299788, 477278, 478277, 492222, 492878, 497788, 499472, 499478, 887288, 887972, 888228, 942222, 942278, 999472 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Generated with DrScheme`
	LINKS	`Jonathan Wellons, Table of n, a(n) for n=1..633` `J. Wellons, Tables of Shared Digits`
	EXAMPLE	`492792849479827^2 = 242844792498447429944479949929`
	CROSSREFS	`Sequence in context: A150321 A076716 A088591 this_sequence A131856 A007344 A153536` `Adjacent sequences: A137104 A137105 A137106 this_sequence A137108 A137109 A137110`
	KEYWORD	`base,nonn`
	AUTHOR	`Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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