Search: id:A134189
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%I A134189
%S A134189 1,2,5,9,14,20,27,35,44,54,65,77,1001
%N A134189 a(1)=1. a(n) = n*a(n-1) if n*a(n-1) has fewer or equal the number of 
               divisors as n+a(n-1) does. a(n) = n+a(n-1) if n*a(n-1) has a greater 
               number of divisors than n+a(n-1) does.
%H A134189 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%e A134189 a(12)+13 = 77 + 13 = 90. a(12)*13 = 77 * 13 = 1001. 90 has 12 divisors. 
               1001 has 8 divisors. Since 1001 has fewer divisors than 90, a(13) 
               is therefore 1001.
%Y A134189 Cf. A134190.
%Y A134189 Sequence in context: A000096 A080956 A132337 this_sequence A109470 A112873 
               A048093
%Y A134189 Adjacent sequences: A134186 A134187 A134188 this_sequence A134190 A134191 
               A134192
%K A134189 more,nonn
%O A134189 1,2
%A A134189 Leroy Quet Oct 12 2007

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