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 one, two, three, four, six, seven or eight distinct values for every i,j,k<=n.

A211761

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 one, two, three, four, six, seven or eight distinct values for every i,j,k<=n.

Terms

    a(0) =49a(1) =239a(2) =1091a(3) =4701a(4) =19429a(5) =77363a(6) =299181a(7) =1131389a(8) =4199109a(9) =15400453a(10) =55862597a(11) =201630759a(12) =723544713a(13) =2595026445a(14) =9284175047a(15) =33286441441a(16) =119287476753a(17) =429013756705

External references