id:A050770 - OEIS Search Results

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Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 3 skipped primes.

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26, 33, 35, 55, 208, 297, 300, 351, 352, 420, 432, 441, 486, 660, 735, 910, 1000, 1140, 1225, 1452, 1584, 1715, 1938, 2016, 2250, 2548, 2816, 3003, 3724, 4056, 4180, 4455, 4459, 4600, 4736, 4845, 5280, 5625, 5746, 5888, 5915, 6422, 6475, 6864, 6916, 6930 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`a(2)=33 + (3+11) = ending prime 47. Between 33 and 47 one finds 3 primes 37, 41 and 43.`
	CROSSREFS	`Cf. A050703, A050710.` `Adjacent sequences: A050767 A050768 A050769 this_sequence A050771 A050772 A050773` `Sequence in context: A045163 A046292 A134252 this_sequence A050438 A047822 A048126`
	KEYWORD	`nonn`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1999.`

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Last modified October 11 09:12 EDT 2008. Contains 144832 sequences.

AT&T Labs Research