A050708 - OEIS

This site is supported by donations to The OEIS Foundation.

A050708

Prime reached after 4 iterations of composite added to sum of prime factors.

32, 62, 63, 64, 69, 77, 98, 100, 102, 105, 110, 117, 171, 182, 186, 190, 195, 200, 217, 230, 234, 240, 246, 248, 270, 324, 354, 381, 388, 392, 400, 405, 410, 430, 436, 438, 444, 455, 456, 474, 481, 482, 483, 490, 528, 540, 568, 576, 582, 584, 598, 605, 625 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	EXAMPLE	`Iteration 1 -> 182 = 2.7.13 so 182 + (2+7+13) = 182 + 22 = 204 and composite.` `Iteration 2 -> 204 = 2.2.3.17 so 204 + (2+2+3+17) = 204 + 24 = 228 and composite.` `Iteration 3 -> 228 = 2.2.3.19 so 228 + (2+2+3+19) = 228 + 26 = 254 and composite.` `Iteration 4 -> 254 = 2.127 so 254 + (2+127) = 254 + 129 = 383 and prime.`
	CROSSREFS	`Cf. A050703-A050710.` `Sequence in context: A130447 A116284 A138555 * A132300 A116318 A195330` `Adjacent sequences: A050705 A050706 A050707 * A050709 A050710 A050711`
	KEYWORD	`nonn`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Aug 15 1999.`

Content is available under The OEIS End-User License Agreement .

Last modified February 14 09:35 EST 2012. Contains 205614 sequences.