Inverse permutation to A181815.

Terms

a(0) =1a(1) =2a(2) =4a(3) =3a(4) =9a(5) =6a(6) =22a(7) =5a(8) =11a(9) =13a(10) =54a(11) =8a(12) =114a(13) =29a(14) =20a(15) =7a(16) =246a(17) =15a(18) =488a(19) =17a(20) =43a(21) =66a(22) =948a(23) =12a(24) =38a(25) =140a(26) =23a(27) =36a(28) =1809a(29) =27