A326762 Number of permutations of length n whose powers all avoid the pattern 132.

1, 2, 5, 12, 22, 44, 79, 140, 260, 492, 850, 1690, 3122

Offset

1,2

Links

Table of n, a(n) for n=1..13.

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

Crossrefs

Cf. A326760, A326761, A326763.

Sequence in context: A086734 A123647 A166249 * A116711 A247658 A109653

Adjacent sequences: A326759 A326760 A326761 * A326763 A326764 A326765

Keyword

nonn,more

Author

Amanda Burcroff, Jul 24 2019

Status

approved