a(n) = A078227(n+1)/A078227(n).

Terms

a(0) =2a(1) =2a(2) =2a(3) =2a(4) =3a(5) =7a(6) =68a(7) =61a(8) =97a(9) =1876a(10) =53771a(11) =5178128a(12) =1533415117