A bisection of the Stern-Jacobsthal numbers.

Terms

a(0) =0a(1) =1a(2) =1a(3) =5a(4) =1a(5) =21a(6) =17a(7) =69a(8) =1a(9) =277a(10) =273a(11) =1349a(12) =257a(13) =5141a(14) =4113a(15) =16453a(16) =1a(17) =65813a(18) =65809a(19) =329029a(20) =65793a(21) =1381397a(22) =1118225a(23) =4538437a(24) =65537a(25) =18088213a(26) =17826065a(27) =88081733a(28) =16777473a(29) =335549461