A018924 Isotropic subspaces of an n-dimensional symplectic space over GF(4).

1, 3, 9, 27, 297, 891, 38313, 114939

Offset

1,2

References

C. Bachoc and G. Nebe: Classification of two genera of 32-dimensional lattices of rank 8 over the Hurwitz order, Experiment. Math. 6 (1997), 151-162

D. E. Taylor, The geometry of the classical groups, Heldermann Verlag, Berlin 1992.

Links

Table of n, a(n) for n=1..8.

C. Bachoc and G. Nebe, Classification of two genera of 32-dimensional lattices of rank 8 over the Hurwitz order, Experiment. Math. 6 (1997), 151-162

Crossrefs

Sequence in context: A202907 A032261 A300981 * A061582 A175129 A336793

Adjacent sequences: A018921 A018922 A018923 * A018925 A018926 A018927

Keyword

nonn,nice

Author

N. J. A. Sloane

Status

approved