Moebius transform of Jacobsthal numbers.

Terms

a(0) =0a(1) =1a(2) =0a(3) =2a(4) =4a(5) =10a(6) =18a(7) =42a(8) =80a(9) =168a(10) =330a(11) =682a(12) =1340a(13) =2730a(14) =5418a(15) =10910a(16) =21760a(17) =43690a(18) =87192a(19) =174762a(20) =349180a(21) =699006a(22) =1397418a(23) =2796202a(24) =5590960a(25) =11184800a(26) =22366890a(27) =44739072a(28) =89473020a(29) =178956970