id:A137058 - OEIS Search Results

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Numbers n such that n and the square of n use only the digits 1, 4, 7, 8 and 9.

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1, 7, 9, 88, 141, 441, 1191, 4141, 4471, 8878, 8941, 9191, 84779, 87988, 94191, 97441, 99471, 118817, 414417, 847891, 974417, 989891, 994479, 4179891, 4181488, 4181971, 9171417, 9187917, 9191191, 9478817, 9974417, 9974878, 11914191, 44718988, 84778817, 84784891, 91911478, 91919471, 94419141, 99447417, 848418988, 884188878 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Generated with DrScheme`
	LINKS	`Jonathan Wellons, Table of n, a(n) for n=1..205` `J. Wellons, Tables of Shared Digits`
	EXAMPLE	`894141979747891^2 = 799489879947477919191918947881`
	CROSSREFS	`Sequence in context: A025631 A038275 A087336 this_sequence A116237 A123746 A012252` `Adjacent sequences: A137055 A137056 A137057 this_sequence A137059 A137060 A137061`
	KEYWORD	`base,nonn`
	AUTHOR	`Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008`

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Last modified September 7 23:08 EDT 2008. Contains 143486 sequences.

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