A291476 The arithmetic function u(n,7,4).

25, 25, 25, 20, 25, 25, 7, 8, 9, 10, 11, 12, 13, 7, 15, 8, 17, 9, 19, 10, 7, 11, 23, 8, 25, 13, 9, 7, 25, 10, 25, 8, 11, 17, 7, 9, 25, 19, 13, 8, 25, 7, 25, 11, 9, 23, 25, 8, 7, 10, 17, 13, 25, 9, 11, 7, 19, 25, 25, 10, 25, 25, 7, 8, 13, 11, 25, 17, 23, 7

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, 7, 4], {n, 1, 70}]

Crossrefs

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

Sequence in context: A330272 A194219 A291434 * A010864 A283710 A247650

Adjacent sequences: A291473 A291474 A291475 * A291477 A291478 A291479

Keyword

nonn

Author

Robert Price, Aug 24 2017

Status

approved