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 A291327 #4 Aug 23 2017 09:43:36 %S A291327 1,1,2,1,3,1,4,3,5,1,6,1,7,5,8,1,9,3,10,7,11,3,12,5,13,9,14,3,15,3,16, %T A291327 11,17,7,18,5,19,13,20,5,21,5,22,15,23,5,24,7,25,17,26,7,27,11,28,19, %U A291327 29,7,30,7,31,21,32,13,33,9,34,23,35 %N A291327 The arithmetic function v+-(n,8). %H A291327 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 Section 1.6.2. %t A291327 vpm[n_, h_] := (d = Divisors[n]; Max[(2*Floor[(d - 2)/(2*h)] + 1)*n/d]); Table[vpm[n, 8], {n, 2, 70}] %Y A291327 Cf. A289435, A289436, A289437, A289438, A289439, A289440, A289441, A290988. %K A291327 nonn %O A291327 2,3 %A A291327 _Robert Price_, Aug 22 2017