Number of 0..n arrays of length n+1 with 0 never adjacent to n.
A212833
Number of 0..n arrays of length n+1 with 0 never adjacent to n.
Terms
- a(0) =2a(1) =17a(2) =178a(3) =2309a(4) =35954a(5) =654797a(6) =13667858a(7) =321839625a(8) =8441614754a(9) =244108628489
External references
- oeis: A212833