Integers k such that A008472(k) / A001222(k) = 1/2.

Terms

a(0) =16a(1) =729a(2) =1536a(3) =2304a(4) =3456a(5) =5184a(6) =7776a(7) =11664a(8) =17496a(9) =26244a(10) =39366a(11) =40960a(12) =102400a(13) =256000a(14) =640000a(15) =917504a(16) =1600000a(17) =3211264a(18) =3932160a(19) =4000000a(20) =5898240a(21) =8847360a(22) =9765625a(23) =9830400a(24) =10000000a(25) =11239424a(26) =13271040a(27) =14745600a(28) =19906560a(29) =22118400