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A291270
The arithmetic function v_4(n,3).
0
0, 1, 0, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 6, 4, 6, 6, 6, 8, 7, 8, 8, 8, 10, 8, 9, 8, 10, 12, 10, 10, 12, 12, 14, 12, 12, 12, 13, 16, 14, 14, 14, 16, 18, 16, 16, 16, 16, 20, 18, 16, 18, 18, 22, 18, 19, 20, 20, 24, 20, 20, 21, 20, 26, 24, 22, 24, 24, 28
OFFSET
2,4
REFERENCES
J. Butterworth, Examining the arithmetic function v_g(n,h). Research Papers in Mathematics, B. Bajnok, ed., Gettysburg College, Vol. 8 (2008).
LINKS
Bela Bajnok, Additive Combinatorics: A Menu of Research Problems, arXiv:1705.07444 [math.NT], May 2017. See Table in Section 1.6.1.
MATHEMATICA
v[g_, n_, h_] := (d = Divisors[n]; Max[(Floor[(d - 1 - GCD[d, g])/h] + 1)*n/d]); Table[v[4, n, 3], {n, 2, 70}]
KEYWORD
nonn
AUTHOR
Robert Price, Aug 21 2017
STATUS
approved