Positive numbers having the same set of digits in base 2 and base 7.

Terms

a(0) =1a(1) =49a(2) =50a(3) =56a(4) =343a(5) =344a(6) =350a(7) =351a(8) =392a(9) =393a(10) =399a(11) =2401a(12) =2402a(13) =2408a(14) =2409a(15) =2450a(16) =2451a(17) =2457a(18) =2458a(19) =2744a(20) =2745a(21) =2751a(22) =2752a(23) =2793a(24) =2794a(25) =2800a(26) =16807a(27) =16808a(28) =16814a(29) =16815