Search: id:A117509
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%I A117509
%S A117509 0,2,560,43760,163854,164018,870899850,870899852,870900354,870900360,
%T A117509 870900362,870907842,870907848,870907850,870977340,870977342,871016994,
%U A117509 871017138,871017144,871018188,871018190,871018440,871018442,871025312
%N A117509 Numbers with no 1's in base 3, 4, 5 & 6 expansions.
%e A117509 560 is in the sequence because its base 3, 4, 5 and 6 expansions are 
               202202, 20300, 4220 and 2332, respectively.
%p A117509 a:=proc(n) if member(1,convert(n,base,3))=false and member(1,convert(n,
               base,4))=false and member(1,convert(n,base,5))=false and member(1,
               convert(n,base,6))=false then n else fi end: seq(a(n),n=0..300000); 
               - Emeric Deutsch (deutsch(AT)duke.poly.edu), Jul 25 2006
%Y A117509 Sequence in context: A119780 A120840 A058429 this_sequence A049364 A159529 
               A163277
%Y A117509 Adjacent sequences: A117506 A117507 A117508 this_sequence A117510 A117511 
               A117512
%K A117509 base,nonn
%O A117509 1,2
%A A117509 Zak Seidov (zakseidov(AT)yahoo.com), Apr 26 2006
%E A117509 More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), 
               Aug 12 2006

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