Number of self-dual codes of length 2n over GF(4).

A001646

Number of self-dual codes of length 2n over GF(4).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =5a(6) =10a(7) =21a(8) =55a(9) =245a(10) =3427

External references