22687565

Appears in sequences

• Number of 3-level labeled linear rooted trees with n leaves.at n=8A050351
• E.g.f.: (8 - 7*cosh(x)) / (13 - 12*cosh(x)).at n=4A247082
• Generalized Fubini numbers. Square array read by ascending antidiagonals, A(n,k) = 1 + k*(Sum_{j=1..n-1} C(n,j)*A(j,k)); n>=0 and k>=0.at n=57A257565
• Matrix product of triangle of Stirling numbers of second kind A008277 and square of unsigned Lah triangle A105278.at n=28A308440