Number of n X n tables where each row represents a permutation of { 1, 2, ..., n } and the column sums are equal.
A356722
Number of n X n tables where each row represents a permutation of { 1, 2, ..., n } and the column sums are equal.
Terms
- a(0) =1a(1) =2a(2) =12a(3) =2520a(4) =7015680
External references
- oeis: A356722