id:A107286 - OEIS Search Results

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a(0) = 0; for n>0, minimal prime factor of n, or 1 if n is 1 or a prime.

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0, 1, 1, 1, 2, 1, 2, 1, 2, 3, 2, 1, 2, 1, 2, 3, 2, 1, 2, 1, 2, 3, 2, 1, 2, 5, 2, 3, 2, 1, 2, 1, 2, 3, 2, 5, 2, 1, 2, 3, 2, 1, 2, 1, 2, 3, 2, 1, 2, 7, 2, 3, 2, 1, 2, 5, 2, 3, 2, 1, 2, 1, 2, 3, 2, 5, 2, 1, 2, 3, 2, 1, 2, 1, 2, 3, 2, 7, 2, 1, 2, 3, 2, 1, 2, 5, 2, 3, 2, 1, 2, 7, 2, 3, 2, 5, 2, 1, 2, 3 (list; graph; listen)

	OFFSET	`0,5`
	CROSSREFS	`Sequence in context: A089611 A082067 A082061 this_sequence A087039 A102096 A137866` `Adjacent sequences: A107283 A107284 A107285 this_sequence A107287 A107288 A107289`
	KEYWORD	`nonn`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), May 20 2005`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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