id:A137108 - OEIS Search Results

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

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2, 7, 27, 49777, 4994777, 49994777, 499979277 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Generated with DrScheme`
	LINKS	`J. Wellons, Tables of Shared Digits`
	EXAMPLE	`499979277^2 = 249979277429442729`
	CROSSREFS	`Sequence in context: A060017 A058800 A077622 this_sequence A099815 A123363 A102961` `Adjacent sequences: A137105 A137106 A137107 this_sequence A137109 A137110 A137111`
	KEYWORD	`base,nonn`
	AUTHOR	`Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008`

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Last modified March 19 01:26 EDT 2010. Contains 173632 sequences.