Numbers k such that uphi(k) does not divide uphi(k!).

Terms

a(0) =4a(1) =8a(2) =24a(3) =27a(4) =32a(5) =96a(6) =2187a(7) =8192a(8) =24576a(9) =131072a(10) =155648a(11) =393216a(12) =524288a(13) =655360a(14) =917504a(15) =1572864a(16) =1594323a(17) =3188646a(18) =6377292a(19) =48828125a(20) =97656250a(21) =341796875a(22) =390625000a(23) =1220703125a(24) =2147483648a(25) =2441406250a(26) =6442450944