Fibonacci tree
variant of a binary tree where a tree of order n (n>1) has a left subtree of order n-1 and a right subtree of order n-2
en-US/ˌfɪbəˈnɑt͡ʃi ˈtɹi/
variant of a binary tree where a tree of order n (n>1) has a left subtree of order n-1 and a right subtree of order n-2