MathDB
Problems
Contests
National and Regional Contests
USA Contests
USA - College-Hosted Events
BMT Problems
2020 BMT Fall
1
2020 BMT Discrete #1
2020 BMT Discrete #1
Source:
March 10, 2024
combinatorics
Problem Statement
How many permutations of the set
{
B
,
M
,
T
,
2
,
0
}
\{B, M, T, 2,0\}
{
B
,
M
,
T
,
2
,
0
}
do not have
B
B
B
as their fi rst element?
Back to Problems
View on AoPS