211346

Appears in sequences

• A014486-encoding of plane binary trees (Stanley's d) whose interior zigzag-tree (Stanley's c, i.e., tree obtained by discarding the outermost edges of the binary tree) is isomorphic to a valid plane binary tree (Stanley's d).at n=12A080299
• A014486-codes for the Beanstalk-tree growing one natural number at time, starting from the tree of one internal node (1), with the "lesser numbers to the left hand side" construction.at n=8A218776
• Number of compositions (ordered partitions) of n into Lucas numbers (beginning with 1) (A000204).at n=26A288039