Inverse permutation to A253561: a(n) = A252752(A122111(n)).

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =8a(5) =5a(6) =30a(7) =7a(8) =6a(9) =17a(10) =122a(11) =12a(12) =498a(13) =68a(14) =38a(15) =11a(16) =2018a(17) =9a(18) =8130a(19) =47a(20) =155a(21) =278a(22) =32642a(23) =23a(24) =13a(25) =1130a(26) =10a(27) =192a(28) =130818a(29) =107