Number of length-4 0..n arrays with no repeated value differing from the previous repeated value by more than one.

A269584

Number of length-4 0..n arrays with no repeated value differing from the previous repeated value by more than one.

Terms

    a(0) =16a(1) =79a(2) =250a(3) =613a(4) =1276a(5) =2371a(6) =4054a(7) =6505a(8) =9928a(9) =14551a(10) =20626a(11) =28429a(12) =38260a(13) =50443a(14) =65326a(15) =83281a(16) =104704a(17) =130015a(18) =159658a(19) =194101a(20) =233836a(21) =279379a(22) =331270a(23) =390073a(24) =456376a(25) =530791a(26) =613954a(27) =706525a(28) =809188a(29) =922651

External references