Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of min{1+(j mod i), 1+( i mod j)} (A204014).
A204015
Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of min{1+(j mod i), 1+( i mod j)} (A204014).
Terms
- a(0) =1a(1) =-1a(2) =0a(3) =-2a(4) =1a(5) =-1a(6) =3a(7) =3a(8) =-1a(9) =0a(10) =2a(11) =-6a(12) =-4a(13) =1a(14) =0a(15) =-8a(16) =8a(17) =20a(18) =5a(19) =-1a(20) =-16a(21) =14a(22) =58a(23) =-4a(24) =-31a(25) =-6a(26) =1a(27) =48a(28) =16a(29) =-169
External references
- oeis: A204015