A291369 - OEIS

%I #4 Aug 23 2017 16:06:50

%S 15,15,3,4,5,3,7,4,3,5,11,3,13,7,3,4,15,3,15,4,3,11,15,3,5,13,3,4,15,

%T 3,15,4,3,15,5,3,15,15,3,4,15,3,15,4,3,15,15,3,7,5,3,4,15,3,5,4,3,15,

%U 15,3,15,15,3,4,5,3,15,4,3,5

%N The arithmetic function u(n,3,7).

%H 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 u[n_, m_, h_] := (d = Divisors[n]; Min[(h*Ceiling[m/d] - h + 1)*d]); Table[u[n, 3, 7], {n, 1, 70}]

%Y Cf. A289435, A289436, A289437, A289438, A289439, A289440, A289441.

%K nonn

%O 1,1

%A _Robert Price_, Aug 23 2017