id:A050704 - OEIS Search Results

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Composite numbers with property that n minus sum of prime factors of n is prime.

+0
3

8, 9, 10, 12, 14, 15, 20, 21, 26, 28, 33, 35, 38, 39, 40, 44, 48, 51, 54, 56, 62, 65, 68, 69, 76, 77, 80, 86, 88, 91, 93, 95, 96, 111, 112, 116, 122, 123, 124, 129, 133, 136, 146, 148, 152, 159, 161, 176, 188, 189, 198, 201, 203, 206, 209, 210, 213, 215, 217, 218 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`E.g. 161 = 7.23 so 161 - (7+23) = 161 - 30 = 131 and prime.`
	CROSSREFS	`Cf. A050703-A050710.` `Sequence in context: A138581 A097363 A078893 this_sequence A024884 A031009 A120184` `Adjacent sequences: A050701 A050702 A050703 this_sequence A050705 A050706 A050707`
	KEYWORD	`nonn,nice`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Aug 15 1999.`

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Last modified December 6 11:04 EST 2009. Contains 170427 sequences.

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