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)) (A144464).
A204122
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)) (A144464).
Terms
- a(0) =1a(1) =-1a(2) =1a(3) =-3a(4) =1a(5) =2a(6) =-8a(7) =7a(8) =-1a(9) =8a(10) =-36a(11) =43a(12) =-15a(13) =1a(14) =64a(15) =-304a(16) =414a(17) =-198a(18) =31a(19) =-1a(20) =1024a(21) =-4992a(22) =7224a(23) =-3960a(24) =849a(25) =-63a(26) =1a(27) =32768a(28) =-161792a(29) =241088
External references
- oeis: A204122