Permutation of natural numbers: a(n) = A122111(A243506(n)).

Terms

a(0) =1a(1) =2a(2) =8a(3) =4a(4) =24a(5) =5a(6) =8192a(7) =3a(8) =64a(9) =512a(10) =393216a(11) =32a(12) =7077888a(13) =320a(14) =384a(15) =6a(17) =15a(19) =11a(20) =1073741824a(21) =5184a(22) =1134000a(23) =128a(24) =100a(25) =1664a(26) =27a(27) =864a(29) =65536a(31) =16a(32) =1215