Numbers which retain their position in A073666 (position not disturbed by the rearrangement).

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =8a(6) =9a(7) =14a(8) =19a(9) =69a(10) =71a(11) =77a(12) =150a(13) =157a(14) =231a(15) =237a(16) =445a(17) =721a(18) =725a(19) =753a(20) =819a(21) =848a(22) =875a(23) =1402a(24) =1445a(25) =1467a(26) =1476a(27) =1485a(28) =1492a(29) =2381