7824960

Appears in sequences

• a(n) = n-th sept-factorial number divided by 5.at n=5A034832
• Multi-bifurcating recursion of a factorial type based on the Eulerian numbers A008292 as a triangle sequence: t(n,k) = Sum_{j=0..k+1} (-1)^j * binomial(n + 1, j)*(k + 1 - j)^n; f(n, m) = If[m <= floor(n/2), f(m, 1)*f(n - m, 1)*t(n + 1, m)].at n=8A155556
• Array A(n, k) = Product_{j=1..n} ( j - (1+j)*(k+1) + (k+1)^(j+1) ) with A(n, 0) = n!, read by antidiagonals.at n=34A156579