Positive numbers k such that k and 2*k are anagrams in base 7 (written in base 7).

Terms

a(0) =1254a(1) =2541a(2) =10254a(3) =12540a(4) =12564a(5) =12654a(6) =25401a(7) =25410a(8) =25641a(9) =26541a(10) =100254a(11) =102540a(12) =102564a(13) =102654a(14) =122454a(15) =122544a(16) =124542a(17) =125400a(18) =125442a(19) =125640a(20) =125664a(21) =126540a(22) =126564a(23) =126654a(24) =135063a(25) =135306a(26) =136053a(27) =136305a(28) =150363a(29) =153036