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A096872 Minimum diameter of an integral set of n points in the plane, no 3 on a line. 2
1, 1, 1, 4, 8, 8, 33, 56, 56, 105, 105, 105, 532, 532, 735, 735, 735, 735, 1995, 1995, 1995, 1995, 1995, 1995, 9555, 9555, 9555, 10672, 13975, 13975, 13975, 13975, 13975, 13975, 13975, 13975 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

REFERENCES

H. Harborth, Integral distances in point sets, Butzer, P. L. (ed.) et al., Karl der Grosse und sein Nachwirken. 1200 Jahre Kultur und Wissenschaft in Europa. Band 2: Mathematisches Wissen. Turnhout: Brepols. 213-224 (1998).

S. Kurz and A. Wassermann, On the minimum diameter of plane integral point sets, Ars Combinatoria, Vol. 101 (2011), 265-287.

LINKS

Sascha Kurz and Alfred Wassermann, On the minimum diameter of plane integral point sets

CROSSREFS

Cf. A007285, A096873.

Sequence in context: A160171 A195752 A095806 * A123959 A096412 A153109

Adjacent sequences:  A096869 A096870 A096871 * A096873 A096874 A096875

KEYWORD

nonn

AUTHOR

Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jul 13 2004

EXTENSIONS

Kurz and Wasserman link included, and terms a(10) to a(36) from that source appended, by Jason Kimberley, Nov 17 2011

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Last modified February 14 07:46 EST 2012. Contains 205597 sequences.