id:A137009 - OEIS Search Results

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Numbers n such that n and the square of n use only the digits 1, 2, 5, 7 and 9.

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1, 5, 11, 15, 27, 77, 227, 527, 715, 1515, 1711, 2777, 7227, 7715, 22715, 52915, 71911, 97527, 159911, 275527, 277977, 715511, 727511, 977511, 2791515, 7219777, 7557511, 7715515, 7727711, 7727715, 9591515, 9777515, 9797511, 9797715, 9955511, 11292915, 12292915, 17255515, 27771527, 27797715, 27797977, 27915515, 71971911, 72299211 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Generated with DrScheme`
	LINKS	`Jonathan Wellons, Table of n, a(n) for n=1..272` `J. Wellons, Tables of Shared Digits`
	EXAMPLE	`759722171291527^2 = 577177777551912291775221991729`
	CROSSREFS	`Sequence in context: A075628 A036787 A154503 this_sequence A034905 A031153 A136976` `Adjacent sequences: A137006 A137007 A137008 this_sequence A137010 A137011 A137012`
	KEYWORD	`base,nonn`
	AUTHOR	`Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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