id:A077572 - OEIS Search Results

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Non-squarefree numbers obtained by repeating a single digit.

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4, 8, 9, 44, 88, 99, 333, 444, 666, 888, 999, 4444, 8888, 9999, 44444, 88888, 99999, 333333, 444444, 666666, 777777, 888888, 999999, 4444444, 8888888, 9999999, 44444444, 88888888, 99999999, 111111111, 222222222, 333333333, 444444444 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`666 and 111111111 are members but 66, 1111 etc. are not.`
	CROSSREFS	`Cf. A077571.` `Cf. A087094.` `Sequence in context: A076705 A162752 A035132 this_sequence A083807 A098128 A118895` `Adjacent sequences: A077569 A077570 A077571 this_sequence A077573 A077574 A077575`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 11 2002`
	EXTENSIONS	`Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 12 2003`

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

AT&T Labs Research