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 A291432 #4 Aug 23 2017 23:41:24 %S A291432 17,17,15,17,5,6,7,8,9,5,11,6,13,7,5,8,17,6,17,5,7,11,17,6,5,13,9,7, %T A291432 17,5,17,8,11,17,5,6,17,17,13,5,17,6,17,11,5,17,17,6,7,5,15,13,17,6,5, %U A291432 7,15,17,17,5,17,17,7,8,5,6,17,17,15,5 %N A291432 The arithmetic function u(n,5,4). %H A291432 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 Table in Section 1.6.3. %t A291432 u[n_, m_, h_] := (d = Divisors[n]; Min[(h*Ceiling[m/d] - h + 1)*d]); Table[u[n, 5, 4], {n, 1, 70}] %Y A291432 Cf. A289435, A289436, A289437, A289438, A289439, A289440, A289441. %K A291432 nonn %O A291432 1,1 %A A291432 _Robert Price_, Aug 23 2017