Number of length-n 0..4 arrays with no repeated value differing from the previous repeated value by other than one.
A269533
Number of length-n 0..4 arrays with no repeated value differing from the previous repeated value by other than one.
Terms
- a(0) =5a(1) =25a(2) =120a(3) =568a(4) =2648a(5) =12214a(6) =55836a(7) =253418a(8) =1143256a(9) =5131592a(10) =22934652a(11) =102124670a(12) =453300160a(13) =2006497722a(14) =8860136576a(15) =39040820448a(16) =171705037456a(17) =753921273870
External references
- oeis: A269533