A291429 The arithmetic function u(n,4,8).

25, 18, 25, 4, 5, 6, 7, 4, 9, 5, 11, 4, 13, 7, 5, 4, 17, 6, 19, 4, 7, 11, 23, 4, 5, 13, 9, 4, 25, 5, 25, 4, 11, 17, 5, 4, 25, 18, 13, 4, 25, 6, 25, 4, 5, 18, 25, 4, 7, 5, 17, 4, 25, 6, 5, 4, 19, 18, 25, 4, 25, 18, 7, 4, 5, 6, 25, 4, 23, 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, 4, 8], {n, 1, 70}]

Crossrefs

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

Sequence in context: A028937 A215537 A104790 * A334562 A171806 A038822

Adjacent sequences: A291426 A291427 A291428 * A291430 A291431 A291432

Keyword

nonn

Author

Robert Price, Aug 23 2017

Status

approved