192326400

Appears in sequences

• Table read by antidiagonals: T(n,k) = count of increasing runs in strings of length n*k formed by concatenating k permutations of [n].at n=34A112858
• Triangle read by rows: T(n,k) = count of increasing runs in two concatenated k-permutations of [n].at n=27A122823
• a(n) = Sum_{permutations p of [n]} des(p^2), where des(p) is the number of descents of p.at n=10A385366