SOLUTION: How many arrangements of a, a, a, b, b, b, c, c, c, have no adjacent letters the same?

Algebra ->  Graphs -> SOLUTION: How many arrangements of a, a, a, b, b, b, c, c, c, have no adjacent letters the same?      Log On


   

Question 1161611: How many arrangements of a, a, a, b, b, b, c, c, c, have no adjacent letters the same?
Answer by ikleyn(52864) About Me  (Show Source):
You can put this solution on YOUR website!
.

https://math.stackexchange.com/questions/1944807/arrangements-of-a-a-a-b-b-b-c-c-c-in-which-no-three-consecutive-letters-are-the