Number of set partitions of unique elements from an n X 4 matrix where elements from the same row may not be in the same partition.

A283153

Number of set partitions of unique elements from an n X 4 matrix where elements from the same row may not be in the same partition.

Terms

    a(0) =1a(1) =209a(2) =163121a(3) =326922081

External references