A202103 Number of points matched in largest non-crossing matching of n=w+b points in the plane (w white, b black).

0, 0, 2, 2, 4, 4, 4, 6, 6, 8, 8, 10

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