Permutation of natural numbers: a(n) = A243505(A122111(n)).

Terms

a(0) =1a(1) =2a(2) =8a(3) =4a(4) =6a(5) =16a(6) =1024a(7) =3a(8) =64a(9) =256a(10) =20a(11) =128a(12) =1073741824a(13) =16384a(14) =18a(15) =32a(16) =240a(17) =512a(18) =3538944a(19) =48a(20) =524288a(21) =288a(22) =8640a(23) =5a(24) =32768a(26) =27a(27) =2097152a(28) =214990848a(29) =65536a(30) =660