Numbers n such that the sum of divisors of n^3 is a square.

Terms

a(0) =1a(1) =7a(2) =751530a(3) =4730879a(4) =5260710a(5) =33116153a(6) =37200735a(7) =187062910a(8) =226141311a(9) =259109835a(10) =260405145a(11) =370049418a(12) =522409465a(13) =836308083a(14) =1105725765a(15) =1309440370a(16) =1343713507a(17) =1582989177a(18) =1609505430a(19) =1813768845a(20) =2590345926a(21) =3039492538a(22) =3656866255