123605

Appears in sequences

• Number of labeled series-reduced mobiles (circular rooted trees) with n leaves (root has degree 0 or >= 2).at n=6A032188
• Triangle where T(n,k) = n!*[x^k] ( x/(2*x + log(1-x)) )^(n+1), for n>=k>=0, read by rows.at n=27A118787
• Triangle where T(n,k) = n!/(n-k)!*[x^k] ( x/(2*x + log(1-x)) )^(n+1), for n>=k>=0, read by rows.at n=27A118788
• Triangle read by rows, T(n,k) = Sum_{j=k..n} A269940(n,j)*A269939(j,k), for n>=0 and 0<=k<=n.at n=22A269957