99720

Appears in sequences

• Number of nX2 1..5 arrays containing at least one of each value, and all equal values connected.at n=4A166758
• Number of length-5 0..n arrays with every repeated value unequal to the previous repeated value plus one mod n+1.at n=8A269777
• Triangle read by rows: T(n,k) is the number of digraphs on n labeled nodes with k arcs and a global source (or sink), n >= 1, k = 0..(n-1)^2.at n=41A350793