a(n) = A205110(n)/n.

Terms

a(0) =4a(1) =2a(2) =6a(3) =1a(4) =12a(5) =3a(6) =2a(7) =8a(8) =2a(9) =6a(10) =60a(11) =5a(12) =158a(13) =1a(14) =4a(15) =4a(16) =38a(17) =1a(18) =34a(19) =3a(20) =10a(21) =30a(22) =2a(23) =8a(24) =24a(25) =79a(26) =710a(27) =66a(28) =54694a(29) =2