Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max{i(j+1-1),j(i+1)-1} (A203998).

A203999

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max{i(j+1-1),j(i+1)-1} (A203998).

Terms

    a(0) =1a(1) =-1a(2) =-4a(3) =-6a(4) =1a(5) =7a(6) =27a(7) =17a(8) =-1a(9) =-10a(10) =-60a(11) =-99a(12) =-36a(13) =1a(14) =13a(15) =105a(16) =279a(17) =269a(18) =65a(19) =-1a(20) =-16a(21) =-162a(22) =-593a(23) =-944a(24) =-609a(25) =-106a(26) =1a(27) =19a(28) =231a(29) =1077

External references