Triangle T(n,k) of coefficients of Lucas (or Cardan) polynomials.

Terms

a(0) =2a(1) =1a(2) =1a(3) =2a(4) =1a(5) =3a(6) =1a(7) =4a(8) =2a(9) =1a(10) =5a(11) =5a(12) =1a(13) =6a(14) =9a(15) =2a(16) =1a(17) =7a(18) =14a(19) =7a(20) =1a(21) =8a(22) =20a(23) =16a(24) =2a(25) =1a(26) =9a(27) =27a(28) =30a(29) =9