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 A111339 #10 Mar 07 2024 10:37:50 %S A111339 5,7,8,9,10,13,14,17,20,21,22,23,25,27,28,30,31,33,37,39,40,41,42,43, %T A111339 45,46,47,48,49,50,51,53,54,55,57,58,59,60,64,65,66,69,72,74,75,78,79, %U A111339 82,86,87,88,89,90,91,92,93,95,96,97,99,101,102,103,104,105,107,108,109 %N A111339 Conjectured to be the numbers that do not appear in A006509. %C A111339 Conjectured to be the complement of A111338. %C A111339 There is no known proof that any of these terms is missing from A006509. - _N. J. A. Sloane_, Mar 06 2024 %C A111339 5 does not appear in the first 10^8 terms of A006509. - _Robert C. Lyons_, Mar 06 2024 %Y A111339 Cf. A111338, A006509. %K A111339 nonn,hard %O A111339 1,1 %A A111339 _Klaus Brockhaus_, Nov 02 2005 %E A111339 Edited by _N. J. A. Sloane_, Mar 06 2024