Numbers k satisfying gcd(k^2, sigma(k^2)) > sigma(k), where sigma is the sum-of-divisors function.

Terms

a(0) =693a(1) =1386a(2) =1463a(3) =1881a(4) =2379a(5) =2926a(6) =4389a(7) =4758a(8) =8778a(9) =9516a(10) =11895a(11) =13167a(12) =16653a(13) =18018a(14) =19032a(15) =23790a(16) =24180a(17) =25641a(18) =26169a(19) =26334a(20) =33306a(21) =37271a(22) =40443a(23) =43890a(24) =45201a(25) =52668a(26) =54717a(27) =57057a(28) =61380a(29) =65835