Search: id:A145469
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%I A145469
%S A145469 12,30,40,54,63,75,80,88,135,156,165,174,208,255,260,279,285,318,328,
%T A145469 368,372,405,423,455,460,483,490,495,546,550,552,555,585,654,726,732,
%U A145469 750,795,836,846,870,915,935,940,952,996,1012,1048,1068,1148,1173,1196
%N A145469 A positive integer n is included if d(n) = d(n-1)+d(n-2), where d(n) 
               is the number of divisors of n.
%H A145469 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%p A145469 with(numtheory): a:=proc(n) if tau(n)=tau(n-1)+tau(n-2) then n else end 
               if end proc: seq(a(n),n=3..1300); [From Emeric Deutsch (deutsch(AT)duke.poly.edu), 
               Oct 23 2008]
%Y A145469 A145470
%Y A145469 Sequence in context: A050689 A115912 A083096 this_sequence A024364 A093507 
               A145470
%Y A145469 Adjacent sequences: A145466 A145467 A145468 this_sequence A145470 A145471 
               A145472
%K A145469 nonn
%O A145469 1,1
%A A145469 Leroy Quet Oct 11 2008
%E A145469 Extended by Emeric Deutsch (deutsch(AT)duke.poly.edu), Oct 23 2008

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