Number of ways of placing n labeled balls into n unlabeled (but 6-colored) boxes.
A144223
Number of ways of placing n labeled balls into n unlabeled (but 6-colored) boxes.
Terms
- a(0) =1a(1) =6a(2) =42a(3) =330a(4) =2850a(5) =26682a(6) =268098a(7) =2869242a(8) =32510850a(9) =388109562a(10) =4861622850a(11) =63682081530a(12) =869725707522
External references
- oeis: A144223