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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 (list; graph; refs; listen; history; text; internal format)
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), 89-99.

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

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Last modified July 25 15:30 EDT 2021. Contains 346291 sequences. (Running on oeis4.)