-64224

Appears in sequences

• T(n, k) = [x^k] (-1)^n*Sum_{k=0..n} E2(n, n-k)*(1+x)^(n-k) where E2(n, k) are the second-order Eulerian numbers. Triangle read by rows, T(n, k) for n >= 1 and 0 <= k <= n.at n=26A111999
• Triangle T(n, k) = n! * (Harmonic number(n-k) - Harmonic number(k)), read by rows.at n=43A157525