id:A162966 - OEIS Search Results

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Union of 1 and non-square-free numbers A013929

+0
1

1, 4, 8, 9, 12, 16, 18, 20, 24, 25, 27, 28, 32, 36, 40, 44, 45, 48, 49, 50, 52, 54, 56, 60, 63, 64, 68, 72, 75, 76, 80, 81, 84, 88, 90, 92, 96, 98, 99, 100, 104, 108, 112, 116, 117, 120, 121, 124, 125, 126, 128, 132, 135, 136, 140, 144, 147, 148, 150, 152, 153, 156, 160 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Or, the natural numbers that not are products of distinct primes. Also, number of prime divisors of n<number of nonprime divisors of n. [From Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Nov 10 2009]`
	CROSSREFS	`Cf. A013929` `Sequence in context: A047462 A020671 A013929 this_sequence A034043 A053443 A048098` `Adjacent sequences: A162963 A162964 A162965 this_sequence A162967 A162968 A162969`
	KEYWORD	`nonn,new`
	AUTHOR	`Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Jul 19 2009`

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.

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