Perfect Squares in Fibonacci Numbers
91560
Square Fibonacci numbers
152882
How to tell if a Fibonacci number has an even or odd index
31318
Cardinality of cartesian square
134121
Determining all the positive integers $n$ such that $n^4+n^3+n^2+n+1$ is a perfect square.
112867
Find all digits $a,b$ such that the number $\overline{aabb}$ is a perfect square
107781
Detecting perfect squares faster than by extracting square root
54355
$1+x+\ldots+x^n$ perfect square
129299
Fibonacci sequence and Euclidean algorithm's connection.
130851
Squaring the plane, with consecutive integer squares. And a related arrangement
19954
Perfect set without rational numbers
38018
Arrangement of integers in a row such that the sum of every two adjacent numbers is a perfect square.
102154
If $a$ and $b$ are consecutive integers, prove that $a^2 + b^2 + a^2b^2$ is a perfect square.
139380
Fibonacci sequence divisible by 7?
130476
Prove that every terms of a sequence defined by a recurrence relation is a perfect square.
41734
Fibonacci Sequence, Golden Ratio
72389
Positive integer $n$ such that $2n+1$ , $3n+1$ are both perfect squares
28781
$k^{2}+(k+1)^{2}$ being a perfect square for infinitely many $k$