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A202103 Number of points matched in largest non-crossing matching of n=w+b points in the plane (w white, b black). 1
0, 0, 2, 2, 4, 4, 4, 6, 6, 8, 8, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

REFERENCES

Dumitrescu, Adrian; and Steiger, William; On a matching problem in the plane. Discrete Math. 211, No.1-3, 183-195 (2000). Zbl 0953.52009

LINKS

Table of n, a(n) for n=1..12.

CROSSREFS

Cf. A202102.

Sequence in context: A110870 A206224 A035114 * A333787 A062570 A108514

Adjacent sequences:  A202100 A202101 A202102 * A202104 A202105 A202106

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Dec 11 2011

EXTENSIONS

It is known that a(18)=14, a(20)=16.

STATUS

approved

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Last modified July 24 05:05 EDT 2021. Contains 346273 sequences. (Running on oeis4.)