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A356723
Number of n X n tables where each row represents a permutation of { 1, 2, ..., n } and the column sums are equal, with the first row being the identity permutation.
6
1, 1, 2, 105, 58464, 1938602560, 4023598254840240, 823167665449254453563025
OFFSET
1,3
FORMULA
a(n) = A356722(n) / n!.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Max Alekseyev, Aug 25 2022
STATUS
approved