Search: id:A155911
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%I A155911
%S A155911 22,24,54,62,63,82,84,96,104,122,142,153,184,202,204,216,234,262,273,
%T A155911 294,302,333,336,343,344,362,363,364,382,405,414,416,422,423,424,444,
%U A155911 482,483,484,486,502,542,562,564,584,603,622,644,662,663,664,675,714
%N A155911 Composite numbers such that final digit = number of prime factors.
%p A155911 A010879 := proc(n) n mod 10 ; end: A001222 := proc(n) numtheory[bigomega](n); 
               end: for n from 4 to 2000 do if not isprime(n) then if A010879(n) 
               = A001222(n) then printf("%d,",n) ; fi; fi; od: [From R. J. Mathar 
               (mathar(AT)strw.leidenuniv.nl), Jan 31 2009]
%Y A155911 Cf. A002808.
%Y A155911 Sequence in context: A067189 A030593 A138603 this_sequence A061411 A053779 
               A034304
%Y A155911 Adjacent sequences: A155908 A155909 A155910 this_sequence A155912 A155913 
               A155914
%K A155911 nonn,base
%O A155911 1,1
%A A155911 Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Jan 30 2009
%E A155911 Extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 31 2009

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