Numbers m such that m! / sigma(m) is not an integer.

Terms

a(0) =2a(1) =3a(2) =4a(3) =9a(4) =16a(5) =25a(6) =64a(7) =289a(8) =729a(9) =1681a(10) =2401a(11) =3481a(12) =4096a(13) =5041a(14) =7921a(15) =10201a(16) =15625a(17) =17161a(18) =27889a(19) =28561a(20) =29929a(21) =65536a(22) =83521a(23) =85849a(24) =146689a(25) =262144a(26) =279841a(27) =458329a(28) =491401a(29) =531441