a(n) = (Sum_{i=0..n-1} (-1)^i/b(i)) * LCM{b(i): i=0..n-1}, where b(i) = C(i,floor(i/2)).

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =2a(5) =7a(6) =17a(7) =107a(8) =113a(9) =329a(10) =334a(11) =3644a(12) =3659a(13) =47462a(14) =95029a(15) =94973a(16) =95001a(17) =1614765a(18) =1614891a(19) =30681669a(20) =30682299a(21) =30681969a(22) =30682134a(23) =705687102a(24) =705688092a(25) =3528437886a(26) =3528439173a(27) =10585315517a(28) =10585316518a(29) =306974164007