Can I get some help to make my answer more rigorous for this problem in the book Concrete Mathematics
7148
Towers of Hanoi - are there configurations of $n$ disks that are more than $2^n - 1$ moves apart?
106979
Prove the inequality and limitation
76347
Shorter proof for some equvalences
38037
A problem with my reasoning in a problem about combinations
129430
Hardy-Ramanujan theorem's "purely elementary reasoning"
148790
Basic question about proofs with the goal $\exists x P(x)$
59419
Crafty solutions to the following limit
80229
How to prove this curiosity that has to do with cubes of certain numbers?
50266
In the following figure prove that: $AK||BC$
29531
A Question On Euler's Proof Of the Basel Problem
39276
Ground Plan - Prove Fermat-Euclid's Totient Theorem with Lagrange's Theorem
106445
Dr Math and his family question. How to solve without trial and error?
48692
A problem about the graph theory
5934
How to prove floor identities?
105405
Product of three consecutive positive integers is never a perfect power
97900
Project Euler - 34 / Find a mathematical approach for upper bound
140632
A problem on Binomial Theorem