482112

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=30A112858
• E.g.f. satisfies: A(x) = 1 + x*Sum_{n>=0} (A(x)^2 - 1)^n/n!.at n=6A192949
• Wiener index in diamond nanowires obtained by connecting n unit cells in a sequence.at n=15A366816