Search: id:A117167
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%I A117167
%S A117167 0,1,0,1,1,2,1,2,0,2,0,1,2,0,3,3,4,4,6,5,7,6,7,10,7,4,7,10,7,8,5,7,6,6,
%T A117167 1,5,0,1,2,1,8,6,11,7,15,12,20,15,24,27,33,25,36,28,41,39,48,42,51,46,
%U A117167 61,61,69,58,72,64,77,70,85,76,90,85,94,86,99,84,100
%V A117167 0,1,0,-1,-1,-2,-1,-2,0,-2,0,1,2,0,3,3,4,4,6,5,7,6,7,10,7,4,7,10,7,8,5,
               7,6,6,1,5,0,-1,
%W A117167 -2,-1,-8,-6,-11,-7,-15,-12,-20,-15,-24,-27,-33,-25,-36,-28,-41,-39,-48,
               -42,-51,-46,
%X A117167 -61,-61,-69,-58,-72,-64,-77,-70,-85,-76,-90,-85,-94,-86,-99,-84,-100
%N A117167 Column 2 of triangle A117165 of Shift-Moebius coefficients and so equals 
               the Shift-Moebius transform of [0,1,0,0,...].
%o A117167 (PARI) {a(n)=prod(i=0,n,matrix(n+1,n+1,r,c,if(r>=c, if((r+n+1-i)%(c+n+1-i)==0,
               moebius((r+n+1-i)/(c+n+1-i)),0))))[n,2]}
%Y A117167 Cf. A117165 (triangle), A117166 (column 1), A117168 (column 3), A117169 
               (row sums).
%Y A117167 Sequence in context: A118233 A159955 A053838 this_sequence A117169 A046920 
               A107599
%Y A117167 Adjacent sequences: A117164 A117165 A117166 this_sequence A117168 A117169 
               A117170
%K A117167 sign
%O A117167 1,6
%A A117167 Wouter Meeussen (wouter.meeussen(AT)pandora.be) and Paul D. Hanna (pauldhanna(AT)juno.com), 
               Mar 05 2006

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