Number of -3..3 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having four, five, six or eight distinct values for every i,j,k<=n.

A211751

Number of -3..3 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having four, five, six or eight distinct values for every i,j,k<=n.

Terms

    a(0) =36a(1) =170a(2) =700a(3) =2514a(4) =8560a(5) =27982a(6) =89548a(7) =285758a(8) =904484a(9) =2902906a(10) =9275824a(11) =30262878a(12) =98205732a(13) =326091006a(14) =1073931604a(15) =3619422754a(16) =12061454552a(17) =41110563674a(18) =138187882940a(19) =474813999142

External references