147120

Appears in sequences

• Triangle read by rows: row n (n>=0) has g.f. Sum_{i=1..n} n!*x^i*(1+x)^(n-i)/(n+1-i).at n=39A126671
• Third column of A126671.at n=6A126672
• Expansion of (Sum_{k>=0} binomial(4*k,k) * x^k)^3.at n=5A378503