a(n) = A159068(n)/n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =6a(4) =7a(5) =23a(6) =19a(7) =66a(8) =95a(9) =255a(10) =187a(11) =1059a(12) =631a(13) =3227a(14) =5243a(15) =11426a(16) =7711a(17) =51887a(18) =27595a(19) =184911a(20) =232887a(21) =606627a(22) =364723a(23) =2807935a(24) =2405183a(25) =8671943a(26) =10368079a(27) =36873651a(28) =18512791a(29) =167268639