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 A291471 #4 Aug 24 2017 12:56:08
%S A291471 31,26,21,26,31,6,7,8,9,10,11,6,13,7,15,8,17,6,19,10,7,11,23,6,25,13,
%T A291471 9,7,29,6,31,8,11,17,7,6,31,19,13,8,31,6,31,11,9,23,31,6,7,10,17,13,
%U A291471 31,6,11,7,19,26,31,6,31,26,7,8,13,6,31,17,21,7
%N A291471 The arithmetic function u(n,6,6).
%H A291471 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 A291471 u[n_, m_, h_] := (d = Divisors[n]; Min[(h*Ceiling[m/d] - h + 1)*d]); Table[u[n, 6, 6], {n, 1, 70}]
%Y A291471 Cf. A289435, A289436, A289437, A289438, A289439, A289440, A289441.
%K A291471 nonn
%O A291471 1,1
%A A291471 _Robert Price_, Aug 24 2017