Chebyshev transform of the second kind of the Pell numbers.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =6a(5) =12a(6) =22a(7) =41a(8) =78a(9) =147a(10) =276a(11) =520a(12) =980a(13) =1845a(14) =3474a(15) =6543a(16) =12322a(17) =23204a(18) =43698a(19) =82293a(20) =154974a(21) =291847a(22) =549608a(23) =1035024a(24) =1949160a(25) =3670665a(26) =6912610a(27) =13017851a(28) =24515262a(29) =46167228