id:A137001 - OEIS Search Results

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Numbers n such that n and the square of n use only the digits 1, 2, 4 and 9.

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1, 2, 11, 12, 21, 212, 221911 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Generated with DrScheme`
	LINKS	`J. Wellons, Tables of Shared Digits`
	EXAMPLE	`221911^2 = 49244491921`
	CROSSREFS	`Adjacent sequences: A136998 A136999 A137000 this_sequence A137002 A137003 A137004` `Sequence in context: A114034 A136970 A136967 this_sequence A136996 A113720 A034118`
	KEYWORD	`base,nonn`
	AUTHOR	`Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008`

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.