Triangle read by rows: coefficients of Fermat-Lucas polynomials.

Terms

a(0) =2a(1) =0a(2) =3a(3) =-4a(4) =0a(5) =9a(6) =0a(7) =-18a(8) =0a(9) =27a(10) =8a(11) =0a(12) =-72a(13) =0a(14) =81a(15) =0a(16) =60a(17) =0a(18) =-270a(19) =0a(20) =243a(21) =-16a(22) =0a(23) =324a(24) =0a(25) =-972a(26) =0a(27) =729a(28) =0a(29) =-168