Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max(2i-1, 2j-1) (A204022).
A204023
Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max(2i-1, 2j-1) (A204022).
Terms
- a(0) =1a(1) =-1a(2) =-6a(3) =-4a(4) =1a(5) =20a(6) =36a(7) =9a(8) =-1a(9) =-56a(10) =-160a(11) =-120a(12) =-16a(13) =1a(14) =144a(15) =560a(16) =700a(17) =300a(18) =25a(19) =-1a(20) =-352a(21) =-1728a(22) =-3024a(23) =-2240a(24) =-630a(25) =-36a(26) =1a(27) =832a(28) =4928a(29) =11088
External references
- oeis: A204023