Number of length n+2 0..4 arrays with no consecutive three elements summing to more than 4.

A241610

Number of length n+2 0..4 arrays with no consecutive three elements summing to more than 4.

Terms

    a(0) =35a(1) =105a(2) =315a(3) =889a(4) =2567a(5) =7483a(6) =21631a(7) =62547a(8) =181255a(9) =524877a(10) =1519408a(11) =4399720a(12) =12740155a(13) =36888358a(14) =106810847a(15) =309276700a(16) =895517750a(17) =2592992001a(18) =7508089778a(19) =21739889599a(20) =62948442860a(21) =182269006155a(22) =527765093824

External references