Pair reversal of a Jacobsthal sequence.

Terms

a(0) =0a(1) =1a(2) =2a(3) =2a(4) =10a(5) =6a(6) =42a(7) =22a(8) =170a(9) =86a(10) =682a(11) =342a(12) =2730a(13) =1366a(14) =10922a(15) =5462a(16) =43690a(17) =21846a(18) =174762a(19) =87382a(20) =699050a(21) =349526a(22) =2796202a(23) =1398102a(24) =11184810a(25) =5592406a(26) =44739242a(27) =22369622a(28) =178956970a(29) =89478486