Number of ternary words of length 2n obtained by self-shuffling.

A192296

Number of ternary words of length 2n obtained by self-shuffling.

Terms

    a(0) =1a(1) =3a(2) =15a(3) =93a(4) =621a(5) =4425a(6) =32703a(7) =248901a(8) =1934007a(9) =15285771a(10) =122437215a(11) =991731999a(12) =8107830597

External references