This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A103146 #3 Mar 31 2012 10:23:47 %S A103146 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,59,61,67,73,79,83,89,97,101, %T A103146 113,127,131,137,139,179,211,227,229,239,241,251,257,269,283,307,337 %N A103146 Primes that can be represented in the form | 2^m +/- 3^n |. %e A103146 2 = 2^0 + 3^0; %e A103146 47 = 2^7 - 3^4; %e A103146 53 cannot be written as |2^m+/-3^n| up to m = 30 and n = 19. %Y A103146 Cf. A004051. Complement of A007644. %K A103146 nonn %O A103146 1,1 %A A103146 _Lei Zhou_, Jan 26 2005 %E A103146 Edited and extended by _Robert G. Wilson v_, Jan 26 2005