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, three, four, five, six or eight distinct values for every i,j,k<=n.
A211754
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, three, four, five, six or eight distinct values for every i,j,k<=n.
Terms
- a(0) =37a(1) =199a(2) =893a(3) =3323a(4) =11273a(5) =36159a(6) =112703a(7) =348665a(8) =1071523a(9) =3339079a(10) =10404975a(11) =33170833a(12) =105676217a(13) =345291137a(14) =1123296141a(15) =3746722541a(16) =12390256743a(17) =41963112457a(18) =140402923347a(19) =480591164385
External references
- oeis: A211754