Number of -2..2 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 two, three, four, five, six or eight distinct values for every i,j,k<=n.

A211594

Number of -2..2 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 two, three, four, five, six or eight distinct values for every i,j,k<=n.

Terms

    a(0) =24a(1) =116a(2) =448a(3) =1472a(4) =4444a(5) =12774a(6) =35650a(7) =97884a(8) =266054a(9) =720836a(10) =1948936a(11) =5282998a(12) =14342514a(13) =39132978a(14) =107104716a(15) =294823440a(16) =814517876a(17) =2262919142a(18) =6309912984a(19) =17683751676a(20) =49727073362a(21) =140446174060a(22) =397854724286

External references