Number of length-n 0..4 arrays with no following elements larger than the first repeated value.
A267467
Number of length-n 0..4 arrays with no following elements larger than the first repeated value.
Terms
- a(0) =5a(1) =25a(2) =115a(3) =515a(4) =2285a(5) =10119a(6) =44901a(7) =200119a(8) =897301a(9) =4052183a(10) =18444197a(11) =84651063a(12) =391805877a(13) =1828676887a(14) =8604122053a(15) =40793238647a(16) =194778656213a(17) =936040595031
External references
- oeis: A267467