Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max{j mod i, i mod j} (A204016).

A204017

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max{j mod i, i mod j} (A204016).

Terms

    a(0) =0a(1) =-1a(2) =-1a(3) =0a(4) =1a(5) =4a(6) =6a(7) =0a(8) =-1a(9) =-15a(10) =-38a(11) =-20a(12) =0a(13) =1a(14) =56a(15) =206a(16) =184a(17) =50a(18) =0a(19) =-1a(20) =-185a(21) =-1072a(22) =-1357a(23) =-630a(24) =-105a(25) =0a(26) =1a(27) =204a(28) =5146a(29) =9276

External references