id:A069148 - OEIS Search Results

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Numbers n such that n*n!/A062758(n) is not an integer where A062758(n) is the product of squares of divisors of n.

+0
1

4, 6, 8, 10, 14, 16, 18, 20, 22, 26, 28, 34, 38, 42, 44, 46, 52, 58, 62, 66, 68, 74, 76, 78, 82, 86, 92, 94, 102, 106, 114, 116, 118, 122, 124, 134, 138, 142, 146, 148, 158, 164, 166, 172, 174, 178, 186, 188, 194, 202, 206, 212, 214, 218, 222, 226, 236, 244, 246 (list; graph; listen)

	OFFSET	`1,1`
	PROGRAM	`(PARI) for(n=1, 320, if((n*(n!))%(n^numdiv(n))>0, print1(n, ", ")))`
	CROSSREFS	`Sequence in context: A087270 A075124 A067315 this_sequence A103800 A022449 A088686` `Adjacent sequences: A069145 A069146 A069147 this_sequence A069149 A069150 A069151`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 08 2002`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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