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

A269495

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

Terms

    a(0) =14a(1) =77a(2) =250a(3) =617a(4) =1286a(5) =2389a(6) =4082a(7) =6545a(8) =9982a(9) =14621a(10) =20714a(11) =28537a(12) =38390a(13) =50597a(14) =65506a(15) =83489a(16) =104942a(17) =130285a(18) =159962a(19) =194441a(20) =234214a(21) =279797a(22) =331730a(23) =390577a(24) =456926a(25) =531389a(26) =614602a(27) =707225a(28) =809942a(29) =923461

External references