Square numbers whose sum of square divisors is also square.

Terms

a(0) =1a(1) =1764a(2) =60516a(3) =82369a(4) =529984a(5) =2056356a(6) =2798929a(7) =3534400a(8) =18181696a(9) =38900169a(10) =96020401a(11) =97121025a(12) =335988900a(13) =455907904a(14) =457318225a(15) =617820736a(16) =1334513961a(17) =1599200100a(18) =2176689025a(19) =3279852900a(20) =4464244225a(21) =8586616896a(22) =15688815025a(23) =24514164900a(24) =33366502225