id:A077813 - OEIS Search Results

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Square-free numbers containing in their decimal representation only the digits 0 and 1.

+0
2

1, 10, 11, 101, 110, 111, 1001, 1010, 1011, 1101, 1110, 1111, 10001, 10010, 10011, 10101, 10110, 10111, 11001, 11010, 11101, 11110, 11111, 100001, 100010, 100011, 100101, 100110, 100111, 101001, 101010, 101011, 101101, 101110, 101111, 110001 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`a(51) = 1000110 = 2351737*53.`
	CROSSREFS	`Cf. A077812, A020449, A005117.` `Sequence in context: A066330 A125099 A055611 this_sequence A104326 A037090 A118240` `Adjacent sequences: A077810 A077811 A077812 this_sequence A077814 A077815 A077816`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 16 2002`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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