Irregular triangle read by rows: T(m,k) gives the coefficients of x^k of the minimal polynomials of (2*cos(Pi/(2*m+1)))^2 = rho(2*n+1)^2, for m >= 0.
A334432
Irregular triangle read by rows: T(m,k) gives the coefficients of x^k of the minimal polynomials of (2*cos(Pi/(2*m+1)))^2 = rho(2*n+1)^2, for m >= 0.
Terms
- a(0) =-4a(1) =1a(2) =-1a(3) =1a(4) =1a(5) =-3a(6) =1a(7) =-1a(8) =6a(9) =-5a(10) =1a(11) =-1a(12) =9a(13) =-6a(14) =1a(15) =-1a(16) =15a(17) =-35a(18) =28a(19) =-9a(20) =1a(21) =1a(22) =-21a(23) =70a(24) =-84a(25) =45a(26) =-11a(27) =1a(28) =1a(29) =-24
External references
- oeis: A334432