A326760 Number of permutations of length n whose powers all avoid the pattern 321.

1, 2, 5, 12, 28, 70, 161, 386, 932, 2226, 5254, 12748, 30228, 72192

Offset: 1

Author

Amanda Burcroff, Jul 23 2019

Keywords

• nonn
• more

Links

• Amanda Burcroff and Colin Defant, Pattern-Avoiding Permutation Powers, arXiv:1907.09451 [math.CO], 2019.

Crossrefs

Cf. A326761, A326762, A326763.