Triangle read by rows: n-th row (n>=0) gives coefficients of characteristic polynomial of n X n generalized Cartan matrix M defined in Comments.

A136678

Triangle read by rows: n-th row (n>=0) gives coefficients of characteristic polynomial of n X n generalized Cartan matrix M defined in Comments.

Terms

    a(0) =1a(1) =2a(2) =-1a(3) =2a(4) =-4a(5) =1a(6) =2a(7) =-9a(8) =6a(9) =-1a(10) =1a(11) =-16a(12) =20a(13) =-8a(14) =1a(15) =0a(16) =-24a(17) =50a(18) =-35a(19) =10a(20) =-1a(21) =-2a(22) =-32a(23) =104a(24) =-112a(25) =54a(26) =-12a(27) =1a(28) =-4a(29) =-38

External references