Number of ways of placing n labeled balls into 4 indistinguishable boxes with at least 2 balls in each box.
A058844
Number of ways of placing n labeled balls into 4 indistinguishable boxes with at least 2 balls in each box.
Terms
- a(0) =105a(1) =1260a(2) =9450a(3) =56980a(4) =302995a(5) =1487200a(6) =6914908a(7) =30950920a(8) =134779645a(9) =575156036a(10) =2417578670a(11) =10046531276a(12) =41388056231a(13) =169371383384a(14) =689568172832
External references
- oeis: A058844