Number of length-n 0..4 arrays with no repeated value greater than the previous repeated value.
A269431
Number of length-n 0..4 arrays with no repeated value greater than the previous repeated value.
Terms
- a(0) =5a(1) =25a(2) =125a(3) =615a(4) =2995a(5) =14455a(6) =69235a(7) =329430a(8) =1558430a(9) =7334806a(10) =34364270a(11) =160340610a(12) =745362730a(13) =3453222850a(14) =15949215754a(15) =73454841775a(16) =337413819915
External references
- oeis: A269431