456720

Appears in sequences

• Number of permutations of [n] in which the longest increasing run has length 7.at n=5A230055
• Number of permutations of [2n+2] in which the longest increasing run has length n+2.at n=5A230342
• Triangle read by rows: T(n,k) is the number of weakly connected acyclic digraphs on n labeled nodes with k arcs, k=0..n*(n-1).at n=32A350909