A290980 The arithmetic function v_3(n,6).

1, 0, 2, 1, 3, 1, 4, 1, 5, 2, 6, 2, 7, 3, 8, 3, 9, 3, 10, 3, 11, 4, 12, 5, 13, 4, 14, 5, 15, 5, 16, 6, 17, 7, 18, 6, 19, 6, 20, 7, 21, 7, 22, 9, 23, 8, 24, 8, 25, 9, 26, 9, 27, 11, 28, 9, 29, 10, 30, 10, 31, 10, 32, 13, 33, 11, 34, 12, 35

Offset

2,3

References

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

Links

Table of n, a(n) for n=2..70.

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[3, n, 6], {n, 2, 70}]

Crossrefs

Cf. A289435 - A289441.

Sequence in context: A330756 A330747 A337785 * A007381 A366877 A337377

Adjacent sequences: A290977 A290978 A290979 * A290981 A290982 A290983

Keyword

nonn

Author

Robert Price, Aug 16 2017

Status

approved