Least k such that b(k) = n, where b( ) is sequence A020944.

Terms

a(0) =1a(1) =8a(2) =16a(3) =32a(4) =34a(5) =128a(6) =66a(7) =68a(8) =130a(9) =134a(10) =132a(11) =140a(12) =138a(13) =260a(14) =264a(15) =284a(16) =268a(17) =266a(18) =274a(19) =572a(20) =276a(21) =524a(22) =522a(23) =536a(24) =534a(25) =530a(26) =538a(27) =1034a(28) =532a(29) =548