Monotonic ordering of nonnegative differences 6^i-4^j, for 40>= i>=0, j>=0.

Terms

a(0) =0a(1) =2a(2) =5a(3) =20a(4) =32a(5) =35a(6) =152a(7) =200a(8) =212a(9) =215a(10) =272a(11) =1040a(12) =1232a(13) =1280a(14) =1292a(15) =1295a(16) =3680a(17) =6752a(18) =7520a(19) =7712a(20) =7760a(21) =7772a(22) =7775a(23) =17792a(24) =30272a(25) =42560a(26) =45632a(27) =46400a(28) =46592a(29) =46640