a(n) is the least k such that A366912(k) = n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =9a(5) =10a(6) =23a(7) =28a(8) =29a(9) =84a(10) =170a(11) =353a(12) =805a(13) =850a(14) =2171a(15) =4860a(16) =11815a(17) =28025a(18) =31539a(19) =131252a(20) =318231a(21) =406904a(22) =1612758a(23) =2461032a(24) =9917597a(25) =11551434a(26) =36824781a(27) =80492173a(28) =206009383a(29) =505512671