Least integer m whose largest prime factor > m^(n/(n+1)).

Terms

a(0) =6a(1) =10a(2) =22a(3) =34a(4) =74a(5) =134a(6) =262a(7) =514a(8) =1042a(9) =2062a(10) =4106a(11) =8198a(12) =16418a(13) =32822a(14) =65542a(15) =131074a(16) =262202a(17) =524294a(18) =1048618a(19) =2097166a(20) =4194338a(21) =8388638a(22) =16777234a(23) =33554518a(24) =67108934a(25) =134217758a(26) =268435514a(27) =536870918a(28) =1073741846a(29) =2147483654