Prove all numbers in a sequence are perfect squares
41571
Prove that in a sequence of numbers $49 , 4489 , 444889 , 44448889\ldots$
58264
How to derive the formula for the sum of the first $n$ perfect squares?
67968
When is $2^n -7$ a perfect square?
72437
Sum of the digits of a perfect square
113511
What's a good algorithm to determine if an input is a perfect square?
38498
Find all primes $p$ such that $(2^{p-1}-1)/p$ is a perfect square
107781
Detecting perfect squares faster than by extracting square root
24446
Prove that for each $n$, there exist $n$ consecutive integers, each of which is divisible by a perfect square larger than $1$.
125702
There is a square $Q$ consisting of $(0,0), (2,0), (0,2), (2,2)$
79103
Check if a number is a perfect square
156660
The set of all strictly increasing sequences of natural numbers
18633
Prove every odd integer is the difference of two squares
4061
Proving there are infinitely many pairs of square-full consecutive integers
134121
Determining all the positive integers $n$ such that $n^4+n^3+n^2+n+1$ is a perfect square.
66216
Squares, Cubes and Prime numbers
136366
Show that if $2+2\sqrt{28n^2+1}$ is an integer then it must be perfect square.
91560
Square Fibonacci numbers