Number of isotropic subspaces of an n-dimensional symplectic space over GF(4).
A018924
Number of isotropic subspaces of an n-dimensional symplectic space over GF(4).
Terms
- a(0) =1a(1) =3a(2) =9a(3) =27a(4) =297a(5) =891a(6) =38313a(7) =114939
External references
- oeis: A018924