id:A136993 - OEIS Search Results

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Numbers n such that n and the square of n use only the digits 1, 2, 4, 6 and 7.

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1, 2, 4, 11, 12, 21, 26, 42, 46, 121, 162, 276, 421, 474, 642, 1474, 1621, 1662, 2162, 2174, 4174, 4761, 4762, 4771, 6424, 6642, 11142, 16662, 21621, 24724, 26724, 27224, 46121, 47662, 64162, 64224, 66424, 161761, 161776, 166662, 211462, 214762, 266771, 267671, 414261, 421262, 421621, 462776, 471462, 471642, 477224, 641424, 641671, 664162, 664261 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Generated with DrScheme`
	LINKS	`Jonathan Wellons, Table of n, a(n) for n=1..520` `J. Wellons, Tables of Shared Digits`
	EXAMPLE	`641612614142421^2 = 411666746626671216217271741241`
	CROSSREFS	`Adjacent sequences: A136990 A136991 A136992 this_sequence A136994 A136995 A136996` `Sequence in context: A124183 A075488 A136995 this_sequence A136992 A089694 A071069`
	KEYWORD	`base,nonn`
	AUTHOR	`Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008`

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

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