47166

Appears in sequences

• Triangle read by rows: T(n,k) = Sum_{i=k..n} i!*Stirling2(n,i), n >= 1, 1 <= k <= n.at n=23A084416
• Triangle read by rows: T(n,k)=sum((n+1-i)!*stirling2(n,n+1-i),i=1..k), n>=1, 1<=k<=n.at n=25A084417
• Number of preferential arrangements of n labeled elements when at least k=three ranks are required.at n=7A102232
• Number of essentially series achiral series-parallel networks with n elements.at n=16A339157
• E.g.f. satisfies A(x) * log(A(x)) = (exp(x*A(x)) - 1)^3.at n=7A357087