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The arithmetic function v_6(n,5).
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%I #4 Aug 21 2017 22:13:26

%S 0,0,1,1,0,2,2,2,2,2,3,3,4,3,4,4,4,4,5,6,4,5,6,5,6,6,8,6,6,6,8,6,8,10,

%T 9,8,8,9,10,8,12,9,11,10,10,10,12,14,10,12,13,11,12,11,16,12,12,12,15,

%U 12,12,18,16,15,12,14,17,15,20

%N The arithmetic function v_6(n,5).

%D J. Butterworth, Examining the arithmetic function v_g(n,h). Research Papers in Mathematics, B. Bajnok, ed., Gettysburg College, Vol. 8 (2008).

%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 1.6.1.

%t v[g_, n_, h_] := (d = Divisors[n]; Max[(Floor[(d - 1 - GCD[d, g])/h] + 1)*n/d]); Table[v[6, n, 5], {n, 2, 70}]

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

%K nonn

%O 2,6

%A _Robert Price_, Aug 21 2017