Number of set partitions of multiset {1, 2, 2, 3, 3, 3, ..., n X n}.
A317829
Number of set partitions of multiset {1, 2, 2, 3, 3, 3, ..., n X n}.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =52a(4) =2776a(5) =695541a(6) =927908528
External references
- oeis: A317829