Fixed points of A324556.

Terms

a(0) =1a(1) =5a(2) =19a(3) =34a(4) =135a(5) =261a(6) =1028a(7) =1032a(8) =2054a(9) =8203a(10) =32777a(11) =32785a(12) =524320a(13) =1048591a(14) =1048592a(15) =1048704a(16) =2097162a(17) =8388864a(18) =16777235a(19) =16777251a(20) =268435521a(21) =536870945a(22) =536871169a(23) =2147483712a(24) =4294967809a(25) =68719476749a(26) =137438953984a(27) =137438955520a(28) =274877906967