6849722880

Appears in sequences

• Lah numbers: a(n) = n!*binomial(n-1,5)/6!.at n=7A001778
• a(n) = binomial(n, floor(n/2))*FallingFactorial(n - 1, n - floor(n/2)).at n=13A343581
• a(n) = binomial(2*n, n - 1)*(2*n + 1)! / n!.at n=6A367776