A Chebyshev transform of A090400 related to the knot 8_2.

Terms

a(0) =1a(1) =3a(2) =8a(3) =18a(4) =37a(5) =75a(6) =152a(7) =309a(8) =631a(9) =1290a(10) =2636a(11) =5385a(12) =10999a(13) =22464a(14) =45881a(15) =93711a(16) =191404a(17) =390942a(18) =798497a(19) =1630923a(20) =3331144a(21) =6803829a(22) =13896755a(23) =28383990a(24) =57974032a(25) =118411413a(26) =241854191a(27) =493984896a(28) =1008959473a(29) =2060790171