Search: id:A058933
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%I A058933
%S A058933 1,1,2,1,3,2,4,1,3,4,5,2,6,5,6,1,7,3,8,4,7,8,9,2,9,10,5,6,10,7,11,1,11,
%T A058933 12,13,3,12,14,15,4,13,8,14,9,10,16,15,2,17,11,18,12,16,5,19,6,20,21,
%U A058933 17,7,18,22,13,1,23,14,19,15,24,16,20,3,21,25,17,18,26,19,22,4,8,27,23
%N A058933 a(1)=1; for k>0, if n is k-almost prime then a(n) = number of k-almost 
               primes <= n.
%F A058933 Ordinal transform of A001222 (bigomega). - Frank Adams-Watters (FrankTAW(AT)Netscape.net), 
               Aug 28 2006
%e A058933 3 is prime, so a(3)=2. 10 is 2-almost prime (semiprime), so a(10)=4.
%Y A058933 Cf. A001358, A014612, A014613, A014614.
%Y A058933 Cf. A001222.
%Y A058933 Sequence in context: A061395 A156061 A124172 this_sequence A087470 A158456 
               A084531
%Y A058933 Adjacent sequences: A058930 A058931 A058932 this_sequence A058934 A058935 
               A058936
%K A058933 easy,nonn
%O A058933 1,3
%A A058933 Naohiro Nomoto (6284968128(AT)geocities.co.jp), Jan 11 2001

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