119042

Appears in sequences

• Number of loopless rooted planar maps with 5 faces and n vertices and no isthmuses.at n=6A006418
• Fibonacci sequence beginning 4, 26.at n=19A022386
• Number of asymmetric types of (4,n)-hypergraphs under action of symmetric group S_4.at n=7A055537
• Triangle read by rows: T(n,k) is the number of 3-dimensional balanced ballot paths of 3n steps such that the height is exactly k, 2 <= k <= 2*n.at n=39A387912