id:A102622 - OEIS Search Results

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Nonprime numbers n concatenated n times.

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1, 4444, 666666, 88888888, 999999999, 10101010101010101010, 121212121212121212121212, 1414141414141414141414141414, 151515151515151515151515151515, 16161616161616161616161616161616 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`4 is a nonprime and it is concatenated four times to give 4444.`
	CROSSREFS	`Sequence in context: A166582 A043508 A114908 this_sequence A089202 A139068 A031655` `Adjacent sequences: A102619 A102620 A102621 this_sequence A102623 A102624 A102625`
	KEYWORD	`nonn,base`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jan 31 2005`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research