Number of length 5+3 0..n arrays with some pair in every consecutive four terms totalling exactly n.

A245955

Number of length 5+3 0..n arrays with some pair in every consecutive four terms totalling exactly n.

Terms

    a(0) =162a(1) =4145a(2) =26244a(3) =128649a(4) =381222a(5) =1021225a(6) =2217096a(7) =4555697a(8) =8345130a(9) =14757441a(10) =24276492a(11) =38959225a(12) =59493294a(13) =89187449a(14) =128950032a(15) =183778785a(16) =254805426a(17) =349227217a(18) =468384660a(19) =622261481a(20) =812372022a(21) =1052152905a(22) =1343233944

External references