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 A289434 #15 Feb 02 2020 21:36:45 %S A289434 1,2,3,6,11,16,24,40,52,72,96,114,147,178,183 %N A289434 Related to study of restricted sumsets. %D A289434 Bela Bajnok, Additive Combinatorics: A Menu of Research Problems, Manuscript, May 2017. See Problem C.64. %H A289434 Bela Bajnok, <a href="https://arxiv.org/abs/1705.07444">Additive Combinatorics: A Menu of Research Problems</a>, arXiv:1705.07444 [math.NT], May 2017. See Problem C.64. %H A289434 H. Haanpaa and Patric R. J. Östergård, <a href="https://doi.org/10.1016/j.jnt.2006.06.007">Sets in abelian groups with distinct sums of pairs</a>, J. Number Theory 123 (2007), no. 1, 144-153. %K A289434 nonn,more %O A289434 1,2 %A A289434 _N. J. A. Sloane_, Jul 06 2017