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.

1, 1, 2, 105, 58464, 1938602560, 4023598254840240, 823167665449254453563025

Offset

1,3

Links

Table of n, a(n) for n=1..8.

Formula

a(n) = A356722(n) / n!.

Crossrefs

Cf. A356722, A356724, A356725.

Sequence in context: A280095 A229016 A222840 * A260579 A125593 A352496

Adjacent sequences: A356720 A356721 A356722 * A356724 A356725 A356726

Keyword

nonn,more

Author

Max Alekseyev, Aug 25 2022

Status

approved