Number of degree-n even permutations of order dividing 6.

A061130

Number of degree-n even permutations of order dividing 6.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =12a(5) =36a(6) =126a(7) =666a(8) =6588a(9) =44892a(10) =237996a(11) =2204676a(12) =26370576a(13) =219140208a(14) =1720782792a(15) =19941776856a(16) =234038005776

External references