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A117168 Column 3 of triangle A117165 of Shift-Moebius coefficients and so equals the Shift-Moebius transform of [0,0,1,0,...]. 4

%I #6 Mar 30 2012 18:37:44

%S 0,0,1,0,0,-1,-1,-1,-2,-1,-2,-1,-1,0,-2,1,0,2,1,4,1,5,3,6,6,7,4,8,8,

%T 10,8,10,8,12,9,10,10,10,8,10,8,9,6,7,7,5,5,3,4,1,-4,-5,-4,-7,-6,-13,

%U -12,-17,-15,-20,-18,-28,-29,-37,-31,-40,-37,-47,-42,-55,-51,-62,-59,-69,-65,-78,-69,-84,-75,-93

%N Column 3 of triangle A117165 of Shift-Moebius coefficients and so equals the Shift-Moebius transform of [0,0,1,0,...].

%o (PARI) {a(n)=prod(i=0,n+2,matrix(n+2,n+2,r,c,if(r>=c, if((r+n+2-i)%(c+n+2-i)==0,moebius((r+n+2-i)/(c+n+2-i)),0))))[n,3]}

%Y Cf. A117165 (triangle), A117166 (column 1), A117167 (column 2), A117169 (row sums).

%K sign

%O 1,9

%A _Wouter Meeussen_ and _Paul D. Hanna_, Mar 05 2006

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Last modified April 16 19:05 EDT 2024. Contains 371751 sequences. (Running on oeis4.)