Pseudo-Fibonacci* numbers
Outline of comments

General Introduction

Introduction to Fibonacci numbers (1,2,3,5,8,...,)

interesting questions concerning Fibonacci's:

prime Fibonacci's,
occurrences in nature (sunflower seeds, golden rectangle, etc.)
Fibonacci's mod k
Departure: given a choice in what to add - construct binary tree

Certain numbers aren't there (but only a few: 23, 139, 211, 422, 461, and 761 )

Multiplicative structure

formalisms

Reversibility

Corollaries

Speculation


* Also known as Dailey-numbers after their discoverer.