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 or six distinct values for every i,j,k<=n.
A211734
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 or six distinct values for every i,j,k<=n.
Terms
- a(0) =37a(1) =199a(2) =677a(3) =1955a(4) =5323a(5) =14313a(6) =37885a(7) =102041a(8) =273511a(9) =749531a(10) =2046981a(11) =5707517a(12) =15836459a(13) =44772949a(14) =125719807a(15) =359222809a(16) =1017627511a(17) =2931555923a(18) =8360495347a(19) =24240841339a(20) =69495187871a(21) =202554449245a(22) =583137465157
External references
- oeis: A211734