Numbers whose maximal base 7 run length is 3.

Terms

a(0) =57a(1) =114a(2) =171a(3) =228a(4) =285a(5) =342a(6) =343a(7) =399a(8) =401a(9) =402a(10) =403a(11) =404a(12) =405a(13) =457a(14) =514a(15) =571a(16) =628a(17) =685a(18) =686a(19) =743a(20) =798a(21) =799a(22) =801a(23) =802a(24) =803a(25) =804a(26) =857a(27) =914a(28) =971a(29) =1028