158840

Appears in sequences

• Expansion of Jacobi theta constant (theta_2/2)^20.at n=7A014806
• Triangle T(n,k) read by rows: T(n,k) = -binomial(n+1,k) + Sum_{i=0..k} Sum_{j=0..i+1} (i+1)^(n-i+j)*(-1)^(k-i)/(j!*(k-i)!) for 0 <= k <= n.at n=49A380179
• Array read by downward antidiagonals: A(n,k) = A(n-1,k) + (k+1)*A(n-1,k+1) + k*A(n-1,k-1) with A(n,0) = A(n-1,0) + A(n-1,1), A(0,k) = 1.at n=50A391886