Multiples of 4 that are primally tight and have strictly ascending powers.

Terms

a(0) =4a(1) =8a(2) =16a(3) =32a(4) =64a(5) =108a(6) =128a(7) =256a(8) =324a(9) =512a(10) =648a(11) =972a(12) =1024a(13) =1944a(14) =2048a(15) =2916a(16) =3888a(17) =4096a(18) =5832a(19) =8192a(20) =8748a(21) =11664a(22) =16384a(23) =17496a(24) =23328a(25) =26244a(26) =32768a(27) =34992a(28) =52488a(29) =65536