id:A159973 - OEIS Search Results

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Non-refactorable numbers: number of divisors of n does not divide n.

+0
1

3, 4, 5, 6, 7, 10, 11, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 57, 58, 59, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 81, 82, 83, 85 (list; graph; listen)

	OFFSET	`1,1`
	PROGRAM	`(MAGMA) [ n: n in [1..85] \| n mod #Divisors(n) ne 0 ];`
	CROSSREFS	`Complement of A033950.` `Adjacent sequences: A159970 A159971 A159972 this_sequence A159974 A159975 A159976` `Sequence in context: A047308 A092860 A112874 this_sequence A158008 A106155 A087190`
	KEYWORD	`nonn`
	AUTHOR	`Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Apr 28 2009`
	EXTENSIONS	`Edited and extended by Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Apr 29 2009`

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Last modified November 9 12:23 EST 2009. Contains 166233 sequences.

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