Number of arrays of length n that are sums of 3 consecutive elements of length n+2 permutations of 0..n+1.
A229561
Number of arrays of length n that are sums of 3 consecutive elements of length n+2 permutations of 0..n+1.
Terms
- a(0) =1a(1) =12a(2) =96a(3) =304a(4) =4416a(5) =38520a(6) =302400a(7) =3540672a(8) =39595392a(9) =461376000
External references
- oeis: A229561