Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j)=min(3i-2,3j-2) (A204028).

A204029

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j)=min(3i-2,3j-2) (A204028).

Terms

    a(0) =1a(1) =-1a(2) =3a(3) =-5a(4) =1a(5) =9a(6) =-21a(7) =12a(8) =-1a(9) =27a(10) =-81a(11) =75a(12) =-22a(13) =1a(14) =81a(15) =-297a(16) =378a(17) =-195a(18) =35a(19) =-1a(20) =243a(21) =-1053a(22) =1701a(23) =-1260a(24) =420a(25) =-51a(26) =1a(27) =729a(28) =-3645a(29) =7128

External references