

A291423


The arithmetic function u(n,4,2).


0



7, 6, 7, 4, 5, 6, 7, 4, 7, 5, 7, 4, 7, 6, 5, 4, 7, 6, 7, 4, 7, 6, 7, 4, 5, 6, 7, 4, 7, 5, 7, 4, 7, 6, 5, 4, 7, 6, 7, 4, 7, 6, 7, 4, 5, 6, 7, 4, 7, 5, 7, 4, 7, 6, 5, 4, 7, 6, 7, 4, 7, 6, 7, 4, 5, 6, 7, 4, 7, 5
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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, 2], {n, 1, 70}]


CROSSREFS

Cf. A289435, A289436, A289437, A289438, A289439, A289440, A289441.
Sequence in context: A197687 A239341 A239606 * A276792 A188943 A093349
Adjacent sequences: A291420 A291421 A291422 * A291424 A291425 A291426


KEYWORD

nonn


AUTHOR

Robert Price, Aug 23 2017


STATUS

approved



