Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max{2i+j-2,2j+i-2} (A204004).

A204005

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max{2i+j-2,2j+i-2} (A204004).

Terms

    a(0) =1a(1) =-1a(2) =-5a(3) =-5a(4) =1a(5) =9a(6) =31a(7) =12a(8) =-1a(9) =-13a(10) =-73a(11) =-105a(12) =-22a(13) =1a(14) =17a(15) =131a(16) =322a(17) =265a(18) =35a(19) =-1a(20) =-21a(21) =-205a(22) =-711a(23) =-1036a(24) =-560a(25) =-51a(26) =1a(27) =25a(28) =295a(29) =1320

External references