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%I #9 Oct 18 2022 06:23:36
%S 1,1,1,9,479,2677443,797253930582,20411160794088064950
%N Number of n X n tables where rows represent distinct permutations of { 1, 2, ..., n } and the column sums are equal, up to permutations of rows and columns.
%Y Cf. A356722, A356723, A356724, A356725, A357766, A357767.
%K hard,more,nonn
%O 1,4
%A _Max Alekseyev_, Oct 13 2022
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