Irregular triangle read by rows: T(n, k) gives the coefficients of x^k of the minimal polynomials of the algebraic number over the rationals rho(n)^2, with rho(n) = 2*cos(Pi/n), for n >= 1.
A334429
Irregular triangle read by rows: T(n, k) gives the coefficients of x^k of the minimal polynomials of the algebraic number over the rationals rho(n)^2, with rho(n) = 2*cos(Pi/n), for n >= 1.
Terms
- a(0) =-4a(1) =1a(2) =0a(3) =1a(4) =-1a(5) =1a(6) =-2a(7) =1a(8) =1a(9) =-3a(10) =1a(11) =-3a(12) =1a(13) =-1a(14) =6a(15) =-5a(16) =1a(17) =2a(18) =-4a(19) =1a(20) =-1a(21) =9a(22) =-6a(23) =1a(24) =5a(25) =-5a(26) =1a(27) =-1a(28) =15a(29) =-35
External references
- oeis: A334429