A291433 The arithmetic function u(n,5,5).

21, 21, 18, 21, 5, 6, 7, 8, 9, 5, 11, 6, 13, 7, 5, 8, 17, 6, 19, 5, 7, 11, 21, 6, 5, 13, 9, 7, 21, 5, 21, 8, 11, 17, 5, 6, 21, 19, 13, 5, 21, 6, 21, 11, 5, 21, 21, 6, 7, 5, 17, 13, 21, 6, 5, 7, 18, 21, 21, 5, 21, 21, 7, 8, 5, 6, 21, 17, 18, 5

Offset

1,1

Links

Table of n, a(n) for n=1..70.

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, 5, 5], {n, 1, 70}]

Crossrefs

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

Sequence in context: A195033 A267147 A154352 * A010860 A158772 A151910

Adjacent sequences: A291430 A291431 A291432 * A291434 A291435 A291436

Keyword

nonn

Author

Robert Price, Aug 23 2017

Status

approved