Triangle T(n,k) read by rows: coefficient [x^(n-k)] of the characteristic polynomial of the n X n matrix A(r,c)=1 (if c > r) and A(r,c)=c (if c <= r).
A158359
Triangle T(n,k) read by rows: coefficient [x^(n-k)] of the characteristic polynomial of the n X n matrix A(r,c)=1 (if c > r) and A(r,c)=c (if c <= r).
Terms
- a(0) =1a(1) =1a(2) =-1a(3) =1a(4) =-3a(5) =1a(6) =1a(7) =-6a(8) =7a(9) =-2a(10) =1a(11) =-10a(12) =25a(13) =-23a(14) =6a(15) =1a(16) =-15a(17) =65a(18) =-123a(19) =98a(20) =-24a(21) =1a(22) =-21a(23) =140a(24) =-448a(25) =713a(26) =-514a(27) =120a(28) =1a(29) =-28
External references
- oeis: A158359