id:A136970 - OEIS Search Results

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Numbers n such that n and the square of n use only the digits 1, 2, 3, 4 and 7.

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1, 2, 11, 12, 21, 111, 132, 271, 421, 1111, 1171, 1312, 1332, 2171, 13332, 34311, 34312, 133332, 371111, 417412, 421111, 473421, 1214171, 1333332, 3337271, 3427421, 12137271, 13333332, 121337271, 131423412, 133333332, 177232171, 217433311, 333432412, 334232171, 337227421, 377774171, 473743311, 1114142412, 1114142421, 1114144171 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Generated with DrScheme`
	LINKS	`Jonathan Wellons, Table of n, a(n) for n=1..149` `J. Wellons, Tables of Shared Digits`
	EXAMPLE	`217134132142421^2 = 47147231341242344447427741241`
	CROSSREFS	`Sequence in context: A038113 A089600 A114034 this_sequence A136967 A137001 A136996` `Adjacent sequences: A136967 A136968 A136969 this_sequence A136971 A136972 A136973`
	KEYWORD	`base,nonn`
	AUTHOR	`Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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