Monotonic ordering of nonnegative differences 3^i-4^j, for 40>= i>=0, j>=0.

Terms

a(0) =0a(1) =2a(2) =5a(3) =8a(4) =11a(5) =17a(6) =23a(7) =26a(8) =65a(9) =77a(10) =80a(11) =179a(12) =227a(13) =239a(14) =242a(15) =473a(16) =665a(17) =713a(18) =725a(19) =728a(20) =1163a(21) =1931a(22) =2123a(23) =2171a(24) =2183a(25) =2186a(26) =2465a(27) =3299a(28) =5537a(29) =6305