-3991680

Appears in sequences

• Generalized Stirling number triangle of first kind.at n=28A051338
• Bi-diagonal inverse of [k<=n]*n!/(2k)!.at n=26A119836
• Triangle T(n, k) = H(n, k+1) - 2*H(n, k) - H(n, k-1), where H(n, k) = A060821(n+3, k), read by rows.at n=31A140873
• Square array T(n, k) = Product_{j=1..n} p(j, k+1), p(n, x) = Sum_{j=0..n} (-1)^j*A053122(n, j)*x^j, and T(n, 0) = n!, read by antidiagonals.at n=61A156603
• a(1) = 1 and a(n) = Sum_{i=1..n-1} (-1)^i*i*a(i).at n=10A265376