If the baskets are identical, you have to break into cases: 1) Two baskets have the same number of coins 2) All baskets have a different number of coins.
– ArthurJan 25 '18 at 12:18
Refer to Stefen's answer in the question. https://math.stackexchange.com/questions/2619042/circular-permutations-with-alike-objects. I know the question is different but on careful reading you will understand that the method to solve is very similar
– Rohan ShindeJan 25 '18 at 14:15
202 choose 2 counts the ways to split 200 indistinguishable coins into 3 baskets, so it looks like coins are indistinguishable.
– Air ConditionerJan 25 '18 at 14:54