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 A291429 #4 Aug 23 2017 23:41:04
%S A291429 25,18,25,4,5,6,7,4,9,5,11,4,13,7,5,4,17,6,19,4,7,11,23,4,5,13,9,4,25,
%T A291429 5,25,4,11,17,5,4,25,18,13,4,25,6,25,4,5,18,25,4,7,5,17,4,25,6,5,4,19,
%U A291429 18,25,4,25,18,7,4,5,6,25,4,23,5
%N A291429 The arithmetic function u(n,4,8).
%H A291429 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 A291429 u[n_, m_, h_] := (d = Divisors[n]; Min[(h*Ceiling[m/d] - h + 1)*d]); Table[u[n, 4, 8], {n, 1, 70}]
%Y A291429 Cf. A289435, A289436, A289437, A289438, A289439, A289440, A289441.
%K A291429 nonn
%O A291429 1,1
%A A291429 _Robert Price_, Aug 23 2017