Higher powers that are sums of two distinct higher powers.

Terms

a(0) =243a(1) =2744a(2) =6561a(3) =177147a(4) =185193a(5) =474552a(6) =614656a(7) =810000a(8) =941192a(9) =1124864a(10) =1419857a(11) =1500625a(12) =3241792a(13) =4782969a(14) =7962624a(15) =11239424a(16) =16003008a(17) =17850625a(18) =21952000a(19) =26873856a(20) =28372625a(21) =52200625a(22) =68574961a(23) =82312875a(24) =117649000a(25) =129140163a(26) =162771336a(27) =200201625a(28) =238328000