Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A202670 based on A000290 (the squares); by antidiagonals.

A202671

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A202670 based on A000290 (the squares); by antidiagonals.

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =-18a(4) =1a(5) =1a(6) =-84a(7) =116a(8) =-1a(9) =1a(10) =-214a(11) =1707a(12) =-470a(13) =1a(14) =1a(15) =-408a(16) =9430a(17) =-17896a(18) =1449a(19) =-1a(20) =1a(21) =-666a(22) =31877a(23) =-196046a(24) =124782a(25) =-3724a(26) =1a(27) =1a(28) =-988a(29) =81720

External references