Numbers whose sum of divisors is a fourth power.

Terms

a(0) =1a(1) =217a(2) =510a(3) =642a(4) =710a(5) =742a(6) =782a(7) =795a(8) =862a(9) =935a(10) =1177a(11) =1207a(12) =1219a(13) =2667a(14) =3937a(15) =7590a(16) =7854a(17) =8743a(18) =9481a(19) =9798a(20) =9858a(21) =10810a(22) =10934a(23) =11186a(24) =11235a(25) =11510a(26) =11594a(27) =11715a(28) =11985a(29) =12082