Number of length n+4 0..4 arrays with no pair in any consecutive five terms totalling exactly 4.

A246733

Number of length n+4 0..4 arrays with no pair in any consecutive five terms totalling exactly 4.

Terms

    a(0) =424a(1) =1096a(2) =2884a(3) =7612a(4) =19992a(5) =52112a(6) =135776a(7) =354428a(8) =926912a(9) =2426008a(10) =6344712a(11) =16581304a(12) =43323852a(13) =113217276a(14) =295956684a(15) =773719596a(16) =2022600900a(17) =5286817120a(18) =13818445276a(19) =36118847720a(20) =94411371892a(21) =246786721208a(22) =645084592792

External references