Let Dn be the number of permutations with no i in the ith position. Show by a combinatorial argumen…

131 views

Bruce Payton

15 years ago

Let Dn be the number of permutations with no i in the ith position. Show by a combinatorial argumen…

Let Dn be the number of permutations with no i in the ith position. Show by a combinatorial argumen…