Triangle read by rows: T(0,0)=1; T(n,k) is the coefficient of x^(n-k) in the monic characteristic polynomial of the n X n matrix (min(i,j)) (i,j=1,2,...,n) (0 <= k <= n, n >= 1).
A123970
Triangle read by rows: T(0,0)=1; T(n,k) is the coefficient of x^(n-k) in the monic characteristic polynomial of the n X n matrix (min(i,j)) (i,j=1,2,...,n) (0 <= k <= n, n >= 1).
Terms
- a(0) =1a(1) =1a(2) =-1a(3) =1a(4) =-3a(5) =1a(6) =1a(7) =-6a(8) =5a(9) =-1a(10) =1a(11) =-10a(12) =15a(13) =-7a(14) =1a(15) =1a(16) =-15a(17) =35a(18) =-28a(19) =9a(20) =-1a(21) =1a(22) =-21a(23) =70a(24) =-84a(25) =45a(26) =-11a(27) =1a(28) =1a(29) =-28
External references
- oeis: A123970