Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A115216; by antidiagonals.

A202868

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A115216; by antidiagonals.

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =-6a(4) =1a(5) =1a(6) =-11a(7) =27a(8) =-1a(9) =1a(10) =-16a(11) =78a(12) =-112a(13) =1a(14) =1a(15) =-21a(16) =154a(17) =-458a(18) =453a(19) =-1a(20) =1a(21) =-26a(22) =255a(23) =-1164a(24) =2431a(25) =-1818a(26) =1a(27) =1a(28) =-31a(29) =381

External references