Number of possible rectangles in a grid using combinatorics
62518
How many rectangles or triangles.
144079
Find Total number of ways out of N Number taking K numbers every M interval
43845
Partitioning the edges of $K_n$ into $\lfloor \frac n6 \rfloor$ planar subgraphs
133392
How can I generate irregular grid containing minimum n points?
97627
filling an occluded plane with the smallest number of rectangles
103190
Algorithm to get the maximum size of n squares that fit into a rectangle with a given width and height
141782
Grid of responsive squares
134599
How do I do Combinatorics / Counting?
108941
Combinatorics Question Asking How Many Integer Solutions Given Different Restrictions
153370
Number of different partitions of N
151090
Creating A Nested Mathematical Sets Inside A Rectangle
44070
Recurrence  for number of regions formed by diagonals of a convex polygon.
28496
Generating the partitions of a number
78194
Finding minimum-area-rectangle for given points?
24212
proving how many permutations exist.
150536
Combinatorics, choosing 3 elements from 100
134440
An unexpected application of non-trivial combinatorics