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

A326762

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

Terms

    a(0) =1a(1) =2a(2) =5a(3) =12a(4) =22a(5) =44a(6) =79a(7) =140a(8) =260a(9) =492a(10) =850a(11) =1690a(12) =3122a(13) =5856a(14) =11203a(15) =21882a(16) =40390a(17) =79932a(18) =151860a(19) =293382a(20) =562384a(21) =1104246

External references