id:A072510 - OEIS Search Results

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Numbers n with property that n = product of first k divisors of n for some k.

+0
4

1, 2, 3, 5, 6, 7, 8, 10, 11, 13, 14, 15, 17, 19, 21, 22, 23, 24, 26, 27, 29, 30, 31, 33, 34, 35, 37, 38, 39, 40, 41, 43, 46, 47, 51, 53, 55, 56, 57, 58, 59, 61, 62, 64, 65, 67, 69, 70, 71, 73, 74, 77, 79, 82, 83, 85, 86, 87, 89, 91, 93, 94, 95, 97, 101, 103, 105, 106, 107 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Contains all prime numbers, numbers with two different prime factors... First 37 terms are the same as that of A036537. 54 is member of A036537, but it is not member of this sequence. 64 is member of this sequence but not of A036537. - Vladimir Baltic`
	EXAMPLE	`8 is a member as 8 = 124. but 9 is not as the divisors of 9 are 1,3,9 and 9 is not a patial product.`
	CROSSREFS	`Sequence in context: A028801 A002035 A036537 this_sequence A084116 A137620 A028765` `Adjacent sequences: A072507 A072508 A072509 this_sequence A072511 A072512 A072513`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 22 2002`
	EXTENSIONS	`More terms from Vladimir Baltic (baltic(AT)galeb.etf.bg.ac.yu), Aug 03 2002`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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