253586025

Appears in sequences

• 8-fold factorials: a(n) = Product_{k=0..n-1} (8*k+1).at n=7A045755
• Triangle T(n,k) = Product_{j=0..k} n*j+1.at n=42A153189
• a(n) = (n+1)^n * n! * binomial(n-1 + 1/(n+1), n).at n=7A158887
• Triangle T(n,k) represents the coefficients of (x^9*d/dx)^n, where n=1,2,3,...;generalization of Stirling numbers of second kind A008277, Lah-numbers A008297.at n=21A223511