Number of arrays of length 4 that are sums of n consecutive elements of length 4+n-1 permutations of 0..4+n-2.
A229567
Number of arrays of length 4 that are sums of n consecutive elements of length 4+n-1 permutations of 0..4+n-2.
Terms
- a(0) =24a(1) =120a(2) =304a(3) =2904a(4) =9120a(5) =20272a(6) =38176a(7) =64920a(8) =102848a(9) =154720a(10) =223536
External references
- oeis: A229567