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A050770 Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 3 skipped primes. 0

%I #5 Oct 17 2019 22:44:13

%S 26,33,35,55,208,297,300,351,352,420,432,441,486,660,735,910,1000,

%T 1140,1225,1452,1584,1715,1938,2016,2250,2548,2816,3003,3724,4056,

%U 4180,4455,4459,4600,4736,4845,5280,5625,5746,5888,5915,6422,6475,6864,6916,6930

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

%e a(2)=33 + (3+11) = ending prime 47. Between 33 and 47 one finds 3 primes 37, 41 and 43.

%Y Cf. A050703, A050710.

%K nonn

%O 0,1

%A _Patrick De Geest_, Sep 15 1999

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