1178540

Appears in sequences

• Triangle T(n,k) defined by Sum_{k=1..n} T(n,k)*u^k*t^n/n! = ((1+t)*(1+t^2)*(1+t^3)...)^u.at n=38A075525
• a(n) = (n!/6) * Sum_{i,j,k > 0 and i+j+k=n} A000593(i)*A000593(j)*A000593(k)/(i*j*k).at n=8A338788