# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a192111 Showing 1-1 of 1 %I A192111 #23 Oct 21 2019 19:12:08 %S A192111 0,1,2,5,7,8,11,17,19,23,25,26,49,65,73,77,79,80 %N A192111 Monotonic ordering of nonnegative differences 3^i-2^j, for i>=0, j>=0. %C A192111 Complement of A173671 in the nonnegative integers. %H A192111 H. Gauchman and I. Rosenholtz (Proposers), R. Martin (Solver), Difference of prime powers, Problem 1404, Math. Mag., 65 (No. 4, 1992), 265; Solution, Math. Mag., 66 (No. 4, 1993), 269. %H A192111 Math Overflow, 3^n - 2^m = +-41 is not possible. How to prove it?, Several contributors, Jun 29 2010. %Y A192111 Cf. A173671 (complement), A192110, A227048 (partial unions of rows). %K A192111 nonn %O A192111 1,3 %A A192111 _Clark Kimberling_, Jun 23 2011 %E A192111 Deleted unwarranted programs and b-file. Only the terms in A173671 (that is, up to 100) have been proved to be correct. - _N. J. A. Sloane_, Oct 21 2019 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE