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A050770
Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 3 skipped primes.
0
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
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
Sequence in context: A134252 A153224 A177210 * A050438 A047822 A048126
KEYWORD
nonn
AUTHOR
Patrick De Geest, Sep 15 1999
STATUS
approved