429120

Appears in sequences

• Number of tree-rooted planar maps with 4 vertices and n faces and no isthmuses.at n=5A006433
• Value of phi in arithmetic progression of at least 5 terms having the same value of phi in A050515.at n=8A050517
• Triangle read by rows: T(n,k) is the number of tree-rooted planar maps with n edges, k faces and no isthmuses, n >= 0, k = 1..n+1.at n=41A342987