

A057874


Sets of three composites in bidirectional 'sum of prime factors' progression/retrogression.


0




OFFSET

0,1


COMMENTS

First term of next set > 2000000000.


LINKS



EXAMPLE

First set is (95,119,143) all terms having 'sum of prime factors' = 24. So '95' + (5+19) = '119' + (7+17) = '143' AND '143'  (11+13) = '119'  (7+17) = '95'.


CROSSREFS



KEYWORD

nonn,hard


AUTHOR



EXTENSIONS

This really seems to be three sequences, not one! Should be split.  N. J. A. Sloane


STATUS

approved



