Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j) = gcd(2^i-1, 2^j-1) (A204116).

A204117

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j) = gcd(2^i-1, 2^j-1) (A204116).

Terms

    a(0) =1a(1) =-1a(2) =2a(3) =-4a(4) =1a(5) =12a(6) =-28a(7) =11a(8) =-1a(9) =144a(10) =-360a(11) =182a(12) =-26a(13) =1a(14) =4320a(15) =-11088a(16) =5940a(17) =-984a(18) =57a(19) =-1a(20) =233280a(21) =-616032a(22) =348768a(23) =-64728a(24) =4506a(25) =-120a(26) =1a(27) =29393280a(28) =-78086592a(29) =44775936

External references