33209

Appears in sequences

• Number of rooted identity trees with n nodes (rooted trees whose automorphism group is the identity group).at n=17A004111
• a(n) = A075443(A075451(n)).at n=37A075452
• Expansion of (1-x)^(-1)/(1-x+2*x^2-x^3).at n=42A077875
• Stirling transform of Catalan numbers: Sum_{k=0..n} |Stirling1(n, k)|*binomial(2*k, k)/(k+1).at n=7A086662
• Number of 5-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero and avoiding the patterns z z+1 z+2 and z z-1 z-2.at n=10A209117
• Triangular array read by rows: T(n,k) is the number of rooted identity trees with n nodes having exactly k subtrees from the root.at n=52A227774
• Number of partitions of n^3 into distinct cubes > 1.at n=46A298848
• Number of rooted identity trees with 2n+1 nodes.at n=8A299113