Number of n X n positive definite matrices with 1's on the main diagonal and -1's and 0's elsewhere.
A127502
Number of n X n positive definite matrices with 1's on the main diagonal and -1's and 0's elsewhere.
Terms
- a(0) =1a(1) =3a(2) =19a(3) =201a(4) =3001a(5) =55291a(6) =1115003a(7) =21837649a(8) =373215601a(9) =8282131891
External references
- oeis: A127502