Numbers k > 1 such that, in base 7, k and k^2 contain the same digits in the same proportion.

Terms

a(0) =30a(1) =210a(2) =1470a(3) =10290a(4) =10652a(5) =11636a(6) =53544a(7) =53730a(8) =59130a(9) =64896a(10) =72030a(11) =74564a(12) =81452a(13) =93510a(14) =94356a(15) =94400a(16) =97038a(17) =113754a(18) =348540a(19) =364016a(20) =374808a(21) =375204a(22) =376110a(23) =378642a(24) =413910a(25) =420848a(26) =454272a(27) =476352a(28) =479642a(29) =483428