Fixed points in A336957.

Terms

a(0) =1a(1) =2a(2) =10a(3) =90a(4) =106a(5) =150a(6) =162a(7) =246a(8) =394a(9) =398a(10) =406a(11) =410a(12) =442a(13) =602a(14) =1106a(15) =1246a(16) =1390a(17) =1482a(18) =1666a(19) =1846a(20) =5524a(21) =6068a(22) =6124a(23) =6976a(24) =35562a(25) =42618a(26) =42726a(27) =45618a(28) =1271596a(29) =2634332