Number of symmetric invertible n X n matrices over GF(2).
A086812
Number of symmetric invertible n X n matrices over GF(2).
Terms
- a(0) =1a(1) =4a(2) =28a(3) =448a(4) =13888a(5) =888832a(6) =112881664a(7) =28897705984
External references
- oeis: A086812