Fixed points of A323710.

Terms

a(0) =1a(1) =6a(2) =28a(3) =40a(4) =240a(5) =544a(6) =832a(7) =1152a(8) =2816a(9) =50176a(10) =118784a(11) =131584a(12) =409600a(13) =1050624a(14) =1056768a(15) =1081344a(16) =2031616a(17) =8519680a(18) =118489088a(19) =201588736a(20) =352321536a(21) =6446645248a(22) =15300820992a(23) =25836912640a(24) =104152956928a(25) =150323855360