A111748 - OEIS

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A111748

a(n) = 1 if n-th composite number is squarefree, otherwise a(n) = 0.

0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A085242 A059620 A083651 * A130198 A104893 A104894` `Adjacent sequences: A111745 A111746 A111747 * A111749 A111750 A111751`
	KEYWORD	`nonn`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Nov 19 2005`

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Last modified February 16 02:51 EST 2012. Contains 205860 sequences.