> restart: n:=4:
> A:=[[1,7,1,3],[1,6,4,6],[17,1,5,1],[1,6,10,4]]:
eqWorld.ipmnet.ru eqWorld.ipmnet.ru
> w:=0:
> for i1 to n do
> for i2 to n do
> for i3 to n do
> for i4 to n do
> if((i1<>i2)and(i1<>i3)and(i1<>i4)
> and(i2<>i3)and(i2<>i4)and(i3<>i4))
> then w:=w+1;
> S[w]:=add(A[i||k,k],k=1..n);
>
code mapple
> restart: n:=4:
> A:=[[1,7,1,3],[1,6,4,6],[17,1,5,1],[1,6,10,4]]:
> w:=0:
> for i1 to n do
> for i2 to n do
> for i3 to n do
> for i4 to n do
> if((i1<>i2)and(i1<>i3)and(i1<>i4)
> and(i2<>i3)and(i2<>i4)and(i3<>i4))
> then w:=w+1;
> S[w]:=add(A[i||k,k],k=1..n);
> fi;
> od;
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