Number of length n+2 0..5 arrays with the medians of every three consecutive terms nondecreasing.
A250137
Number of length n+2 0..5 arrays with the medians of every three consecutive terms nondecreasing.
Terms
- a(0) =216a(1) =986a(2) =4368a(3) =19446a(4) =79200a(5) =311498a(6) =1219944a(7) =4617079a(8) =17036428a(9) =62297886a(10) =224152970a(11) =793463094a(12) =2782588100a(13) =9662944274a(14) =33203799944a(15) =113195928313a(16) =383180556700
External references
- oeis: A250137