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A050775 Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 8 skipped primes. 0
16, 36, 74, 80, 81, 86, 115, 119, 121, 123, 141, 215, 266, 276, 360, 451, 465, 572, 779, 868, 1548, 1624, 1674, 1763, 1917, 1925, 2196, 2331, 2368, 2730, 3108, 3306, 3430, 3816, 4452, 4575, 5110, 5312, 5412, 6273, 6324, 6820, 7632, 8772, 9027, 9204, 9435 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

EXAMPLE

a(6)=86 + (2+43) = ending prime 131. Between 86 and 131 one finds 8 primes 89, 97, 101, 103, 107, 109, 113 and 127.

CROSSREFS

Cf. A050703, A050710.

Sequence in context: A062312 A031360 A125240 * A022040 A074985 A069262

Adjacent sequences:  A050772 A050773 A050774 * A050776 A050777 A050778

KEYWORD

nonn

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1999.

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Last modified February 16 16:00 EST 2012. Contains 205938 sequences.