Number of arrays of length n that are sums of 4 consecutive elements of length n+3 permutations of 0..n+2.
A229562
Number of arrays of length n that are sums of 4 consecutive elements of length n+3 permutations of 0..n+2.
Terms
- a(0) =1a(1) =20a(2) =264a(3) =2904a(4) =9968a(5) =257136a(6) =3160800a(7) =37000368
External references
- oeis: A229562