

A060020


Maximal size of a nonspanning subset of any Abelian group of order n.


1



1, 2, 3, 3, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 8, 7, 9, 8, 10
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OFFSET

2,2


REFERENCES

J. R. Griggs (griggs(AT)math.sc.edu), personal communication, Apr 24, 2001.


LINKS

Table of n, a(n) for n=2..20.
J. R. Griggs, Spanning subset sums for finite Abelian groups, Discrete Math., 229 (2001), 8999.


CROSSREFS

Cf. A060021.
Sequence in context: A328179 A000267 A249728 * A300154 A166127 A143502
Adjacent sequences: A060017 A060018 A060019 * A060021 A060022 A060023


KEYWORD

nonn,more


AUTHOR

N. J. A. Sloane, Mar 17 2001


EXTENSIONS

n=21 is the first open case  it is either 8 or 9.


STATUS

approved



