Numbers whose sum of divisors and sum of cubes of divisors are relatively prime.

Terms

a(0) =1a(1) =4a(2) =9a(3) =25a(4) =36a(5) =100a(6) =121a(7) =225a(8) =289a(9) =484a(10) =529a(11) =841a(12) =900a(13) =1089a(14) =1156a(15) =1681a(16) =2116a(17) =2209a(18) =2601a(19) =2809a(20) =3364a(21) =3481a(22) =4356a(23) =4761a(24) =5041a(25) =6724a(26) =6889a(27) =7225a(28) =7569a(29) =7921