A362646 Number of nonisomorphic unordered triples of permutations of an n-set.

1, 1, 4, 17, 159, 2655, 88885, 4255594, 271455237, 21965858675, 2195840991306, 265649187979346, 38249422682143111, 6463715133421876832, 1266831272565696798499, 285028258254526750598805, 72965650731146278648727481, 21086743012582576506980525584

Offset: 0

Author

Andrew Howroyd, May 01 2023

Keywords

• nonn

Comments

Isomorphism is up to permutation of the elements of the n-set.

Links

• Andrew Howroyd, Table of n, a(n) for n = 0..50

Crossrefs

Column k=3 of A362644.

Cf. A362645, A362650.