Number of n X n symmetric positive definite matrices with 2's on the main diagonal and -1, 0, or 1 elsewhere.
A114601
Number of n X n symmetric positive definite matrices with 2's on the main diagonal and -1, 0, or 1 elsewhere.
Terms
- a(0) =1a(1) =3a(2) =23a(3) =393a(4) =13089a(5) =737595a(6) =58969079
External references
- oeis: A114601