A151828 Number of hv-convex sets from class S having semiperimeter n of the bounding rectangle.

1, 2, 8, 32, 139, 618, 2779, 12528, 56404, 253152, 1131849, 5040412, 22359981, 98837102

Offset

2,2

References

Peter Balazs, Generation and Empirical Investigation of hv-Convex Discrete Sets, in Image Analysis, Lecture Notes in Computer Science, Volume 4522/2007, Springer-Verlag.

Links

Table of n, a(n) for n=2..15.

Crossrefs

Cf. A005436, A151829.

Sequence in context: A150844 A141380 A151304 * A150845 A150846 A150847

Adjacent sequences: A151825 A151826 A151827 * A151829 A151830 A151831

Keyword

nonn

Author

N. J. A. Sloane, Jul 12 2009

Status

approved