Number of length 6+2 0..n arrays with some pair in every consecutive three terms totalling exactly n.

A245875

Number of length 6+2 0..n arrays with some pair in every consecutive three terms totalling exactly n.

Terms

    a(0) =68a(1) =1281a(2) =4624a(3) =13961a(4) =30900a(5) =63241a(6) =113024a(7) =193137a(8) =305860a(9) =470321a(10) =688848a(11) =987961a(12) =1369844a(13) =1869561a(14) =2488960a(15) =3272801a(16) =4222404a(17) =5393377a(18) =6786320a(19) =8468841a(20) =10440628a(21) =12782441a(22) =15492864a(23) =18666961a(24) =22302020a(25) =26508561a(26) =31282384a(27) =36750617

External references