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%I A080682
%S A080682 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,24,25,26,27,
%T A080682 28,30,32,33,34,35,36,38,39,40,42,44,45,48,49,50,51,52,54,55,56,57,60,
%U A080682 63,64,65,66,68,70,72,75,76,77,78,80,81,84,85,88,90,91,95,96,98,99,100
%N A080682 19-smooth numbers: i.e. numbers whose prime divisors are all <= 19.
%o A080682 (PARI) test(n)= {m=n; forprime(p=2,19, while(m%p==0,m=m/p)); return(m==1)} 
               for(n=1,200,if(test(n),print1(n",")))
%Y A080682 For p-smooth numbers with other values of p, see A003586, A051037, A002473, 
               A051038, A080197, A080681, A080683.
%Y A080682 Sequence in context: A132264 A004830 A081330 this_sequence A038770 A032517 
               A062996
%Y A080682 Adjacent sequences: A080679 A080680 A080681 this_sequence A080683 A080684 
               A080685
%K A080682 easy,nonn
%O A080682 1,2
%A A080682 Cino Hilliard (hillcino368(AT)gmail.com), Mar 02 2003

    
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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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