The positions i where A163355(i) = i, that is, the fixed points of permutation A163355.

Terms

a(0) =0a(1) =1a(2) =16a(3) =20a(4) =21a(5) =256a(6) =260a(7) =261a(8) =320a(9) =321a(10) =336a(11) =340a(12) =341a(13) =4096a(14) =4100a(15) =4101a(16) =4160a(17) =4161a(18) =4176a(19) =4180a(20) =4181a(21) =5120a(22) =5121a(23) =5136a(24) =5140a(25) =5141a(26) =5376a(27) =5380a(28) =5381a(29) =5440