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 A291427 #4 Aug 23 2017 23:40:50
%S A291427 19,14,19,4,5,6,7,4,9,5,11,4,13,7,5,4,17,6,19,4,7,11,19,4,5,13,9,4,19,
%T A291427 5,19,4,11,14,5,4,19,14,13,4,19,6,19,4,5,14,19,4,7,5,17,4,19,6,5,4,19,
%U A291427 14,19,4,19,14,7,4,5,6,19,4,19,5
%N A291427 The arithmetic function u(n,4,6).
%H A291427 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 A291427 u[n_, m_, h_] := (d = Divisors[n]; Min[(h*Ceiling[m/d] - h + 1)*d]); Table[u[n, 4, 6], {n, 1, 70}]
%Y A291427 Cf. A289435, A289436, A289437, A289438, A289439, A289440, A289441.
%K A291427 nonn
%O A291427 1,1
%A A291427 _Robert Price_, Aug 23 2017