Given a board of size $1 \times n$,in how many this board can be colored with the colors white,yellow,blue assuming the number of blue cells is even
99593
Determine the number of ways to colour a 1 by n grid using the colours red and white if an even number of squares are to be coloured red.
24146
Number of ways to partition a rectangle into n sub-rectangles
43076
Chess tournament combinatorics
78685
How to find all proper colorings (four coloring) of a graph with a brute force algorithm
93459
Number of permutations of unspecified length
38700
the Nordhaus-Gaddum problems for chromatic number of graph and its complement
24212
proving how many permutations exist.
86263
How do we show there are the same number of elements in each of the sets?
154494
Prove that there exists a row or a column of the chessboard which contains at least √n distinct numbers.
17268
Cycles in permutations of a given size
153370
Number of different partitions of N
108747
A simple permutation question - discrete math
34452
In how many ways can you choose $k$ numbers out of $\{1,2,3,\dots,n\}$ so none of them is consecutive?
111609
Each $2\times 5$ rectangle contains $1\times 3$ rectangle
52564
$m\times n$ matrix with an even number of 1s in each row and column
48838
Proving the number of $n$ length binary strings with no consecutive $1's$ $b_n$ is equal to $b_{n-1} + b_{n-2}$
134352
The number of possible factorizations of a positive integer.