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 A291434 #4 Aug 23 2017 23:41:40
%S A291434 25,25,21,25,5,6,7,8,9,5,11,6,13,7,5,8,17,6,19,5,7,11,23,6,5,13,9,7,
%T A291434 25,5,25,8,11,17,5,6,25,19,13,5,25,6,25,11,5,23,25,6,7,5,17,13,25,6,5,
%U A291434 7,19,25,25,5,25,25,7,8,5,6,25,17,21,5
%N A291434 The arithmetic function u(n,5,6).
%H A291434 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 A291434 u[n_, m_, h_] := (d = Divisors[n]; Min[(h*Ceiling[m/d] - h + 1)*d]); Table[u[n, 5, 6], {n, 1, 70}]
%Y A291434 Cf. A289435, A289436, A289437, A289438, A289439, A289440, A289441.
%K A291434 nonn
%O A291434 1,1
%A A291434 _Robert Price_, Aug 23 2017