Number of n X n Hankel matrices with entries in {-1,1} with nonzero determinant.
A392574
Number of n X n Hankel matrices with entries in {-1,1} with nonzero determinant.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =16a(4) =72a(5) =312a(6) =1404a(7) =6076a(8) =25824a(9) =110108a(10) =461440a(11) =1913524a(12) =7868760
External references
- oeis: A392574