id:A050703 - OEIS Search Results

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Composite numbers that when added to sum of prime factors become prime.

+0
27

6, 10, 12, 14, 15, 20, 21, 26, 33, 34, 35, 38, 44, 46, 48, 51, 55, 57, 58, 65, 68, 74, 85, 86, 90, 93, 96, 111, 112, 116, 118, 123, 135, 141, 143, 145, 155, 158, 161, 166, 177, 178, 185, 188, 194, 201, 203, 205, 206, 208, 209, 210, 212, 215, 221, 224, 225, 252 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`E.g. 252 = 2.2.3.3.7 so 252 + (2+2+3+3+7) = 252 + 17 = 269 and prime.`
	CROSSREFS	`Cf. A050704-A050710.` `Sequence in context: A097318 A080363 A082300 this_sequence A135711 A056868 A069209` `Adjacent sequences: A050700 A050701 A050702 this_sequence A050704 A050705 A050706`
	KEYWORD	`nonn,nice`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Aug 15 1999.`

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.

AT&T Labs Research