A279203 Number of square permutations of 2n things modulo the operations of mirror image, complement, and inverse.
1, 1, 6, 81, 2774, 162945
Offset: 0
Links
- Samuele Giraudo, S. Vialette, Unshuffling Permutations, arXiv preprint arXiv:1601.05962 [cs.DS], 2016.