Search: id:A117169
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%I A117169
%S A117169 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,
%T A117169 5,0,1,2,1,8,6,11,7,15,12,20,15,24,27,33,25,36,28,41,39,48,42,51,46,61,
%U A117169 61,69,58,72,64,77,70,85,76,90,85,94,86,99,84,100
%V A117169 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,-2,
%W A117169 -1,-8,-6,-11,-7,-15,-12,-20,-15,-24,-27,-33,-25,-36,-28,-41,-39,-48,-42,
               -51,-46,-61,
%X A117169 -61,-69,-58,-72,-64,-77,-70,-85,-76,-90,-85,-94,-86,-99,-84,-100
%N A117169 Row sums of triangle A117165 of Shift-Moebius transform coefficients 
               and so equals the Shift-Moebius transform of [1,1,1,...].
%o A117169 (PARI) {a(n)=sum(j=1,n,prod(i=0,n+j-1,matrix(n+j-1,n+j-1,r,c,if(r>=c, 
               if((r+n+j-1-i)%(c+n+j-1-i)==0,moebius((r+n+j-1-i)/(c+n+j-1-i)),0))))[n,
               j])}
%Y A117169 Cf. A117165 (triangle), A117166 (column 1), A117167 (column 2), A117168 
               (column 3); A117160.
%Y A117169 Sequence in context: A159955 A053838 A117167 this_sequence A046920 A107599 
               A156836
%Y A117169 Adjacent sequences: A117166 A117167 A117168 this_sequence A117170 A117171 
               A117172
%K A117169 sign
%O A117169 1,5
%A A117169 Wouter Meeussen (wouter.meeussen(AT)pandora.be) and Paul D. Hanna (pauldhanna(AT)juno.com), 
               Mar 05 2006

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