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A291369
The arithmetic function u(n,3,7).
0
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, 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, 15, 3, 15, 15, 3, 4, 5, 3, 15, 4, 3, 5
OFFSET
1,1
LINKS
Bela Bajnok, Additive Combinatorics: A Menu of Research Problems, arXiv:1705.07444 [math.NT], May 2017. See Table in Section 1.6.3.
MATHEMATICA
u[n_, m_, h_] := (d = Divisors[n]; Min[(h*Ceiling[m/d] - h + 1)*d]); Table[u[n, 3, 7], {n, 1, 70}]
KEYWORD
nonn
AUTHOR
Robert Price, Aug 23 2017
STATUS
approved