Find the elements of the set using the division algorithm
98443
Find positive integers such that $2n^3 + 5|n^4 +n+1$
60416
Finding a permutation, and number of, from powers of the permutation
113119
Use the division algorithm to prove that 3|(n³ + 2n) for all n ∈ ℕ
141531
Find the set of $n\in\Bbb Z^+$ with $M=\{n,n+1,n+2,n+3,n+4,n+5\}$ partitionable into two sets
6679
Counting number of subsets which contain a specific element
3392
Sum of products of elements of nonempty subsets of A set
95373
Additive set function on a semiring of sets
80156
Formatting the union of sets
114968
Partition of a set, definition not clear
62959
How to find GCD, LCM on a set of numbers
62180
Best way to find the intersection of multiple sets?
75852
Using Pigeonhole Principle to prove two numbers in a subset of $[2n]$ divide each other
114262
Find the cardinality of the following set $S_n=\{(x,y)|x^2+y^2=n, \text{where }x,y,n \in \mathbb Z\text{ and }n\geq0 \}$
11849
Size of a union of two sets
18152
Find the limit points of the set $\{ \frac{1}{n} +\frac{1}{m} \mid n , m = 1,2,3,\dots \}$
110930
Finding the subsets of an array in PHP
117658
A set with n elements has 2^n subsets