A291306 - OEIS

%I #4 Aug 21 2017 22:12:56

%S 0,0,2,4,0,6,6,6,8,10,6,12,12,12,14,16,12,18,18,18,20,22,18,24,24,24,

%T 26,28,24,30,30,30,32,34,30,36,36,36,38,40,36,42,42,42,44,46,42,48,48,

%U 48,50,52,48,54,54,54,56,58,54,60,60,60,62,64,60,66,66,66,68

%N The arithmetic function v_6(n,1).

%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, 1], {n, 2, 70}]

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

%K nonn

%O 2,3

%A _Robert Price_, Aug 21 2017