39435

Appears in sequences

• Square root of A030681.at n=34A030682
• Triangle read by rows: T(n,k) is the number of set partitions of the set {1,2,...,n} (or of any n-set) containing k blocks of size 3 (0<=k<=floor(n/3)).at n=22A124503
• Number of partitions of an n-set without blocks of size 3.at n=10A124504
• Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n having k DD's (0 <= k <= n-1 for n >= 1).at n=49A128738
• G.f. satisfies: A(x) = 1/(1 - x/A(-x*A(x)^6)).at n=8A213227