id:A070274 - OEIS Search Results

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Numbers n such that sum of digits of n equals the square-free part of n.

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2, 3, 5, 6, 7, 12, 24, 150, 200, 300, 320, 375, 500, 600, 640, 700, 704, 735, 832, 960, 1014, 1088, 1200, 1815, 2023, 2400, 2535, 2940, 3549, 3610, 3840, 4046, 4335, 4913, 5054, 5376, 5415, 5491, 6069, 6137, 6358, 6647, 7260, 7581, 7942, 8959, 9386 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`The square-free part of x, core(x), is the smallest integer such that x*core(x) is a square.`
	CROSSREFS	`Adjacent sequences: A070271 A070272 A070273 this_sequence A070275 A070276 A070277` `Sequence in context: A101730 A039058 A046158 this_sequence A088968 A057924 A103538`
	KEYWORD	`easy,nonn,base`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), May 09 2002`

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.

AT&T Labs Research