a(n) is the number of distinct values of the determinant of an n X n symmetric Toeplitz matrix having 0 on the main diagonal and all the integers 1, 2, ..., n-1 off-diagonal.
A374618
a(n) is the number of distinct values of the determinant of an n X n symmetric Toeplitz matrix having 0 on the main diagonal and all the integers 1, 2, ..., n-1 off-diagonal.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =6a(5) =22a(6) =111a(7) =695a(8) =4920a(9) =39881a(10) =360242
External references
- oeis: A374618