Base-7 analog of A208059.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =3a(8) =21a(9) =14a(10) =13a(11) =25a(12) =25a(13) =4a(14) =6a(15) =32a(16) =8a(17) =100a(18) =4414a(19) =7a(20) =6a(21) =25a(22) =9a(23) =8a(24) =270a(25) =666a(26) =292906a(27) =25a(28) =12a(29) =13