id:A058439 - OEIS Search Results

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Numbers n such that n^2 contains only digits {0,4,7}, not ending with zero.

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2, 88, 638, 2010988315424552 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`P. De Geest, Index to related sequences` `Hisanori Mishima, Sporadic tridigital solutions`
	CROSSREFS	`Cf. A058440.` `Adjacent sequences: A058436 A058437 A058438 this_sequence A058440 A058441 A058442` `Sequence in context: A041881 A076542 A066226 this_sequence A058463 A001904 A053950`
	KEYWORD	`nonn,base,hard,more`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.