A Chebyshev transform of Fib(2n+2).

Terms

a(0) =1a(1) =3a(2) =7a(3) =15a(4) =32a(5) =69a(6) =149a(7) =321a(8) =691a(9) =1488a(10) =3205a(11) =6903a(12) =14867a(13) =32019a(14) =68960a(15) =148521a(16) =319873a(17) =688917a(18) =1483735a(19) =3195552a(20) =6882329a(21) =14822619a(22) =31923791a(23) =68754951a(24) =148079008a(25) =318920925a(26) =686866813a(27) =1479319737a(28) =3186042539a(29) =6861847920