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 A291366 #4 Aug 23 2017 13:05:22
%S A291366 9,9,3,4,5,3,7,4,3,5,9,3,9,7,3,4,9,3,9,4,3,9,9,3,5,9,3,4,9,3,9,4,3,9,
%T A291366 5,3,9,9,3,4,9,3,9,4,3,9,9,3,7,5,3,4,9,3,5,4,3,9,9,3,9,9,3,4,5,3,9,4,
%U A291366 3,5
%N A291366 The arithmetic function u(n,3,4).
%H A291366 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 A291366 u[n_, m_, h_] := (d = Divisors[n]; Min[(h*Ceiling[m/d] - h + 1)*d]); Table[u[n, 3, 4], {n, 1, 70}]
%Y A291366 Cf. A289435, A289436, A289437, A289438, A289439, A289440, A289441.
%K A291366 nonn
%O A291366 1,1
%A A291366 _Robert Price_, Aug 23 2017