Distributed.net: Project OGR
Describes the computerized effort to prove that the known shortest Golomb rulers (up to 25 marks) are really the shortest, or else find the actual shortest ones.
Golomb Rulers
Table of lengths of shortest known Golomb rulers, counts of optimal and near-optimal rulers, and some Fortran programs for dealing with Golomb rulers.
Golomb Rulers - The Search For 20, 21 and 22!
The search for optimal Golomb Rulers with 20, 21 and 22 marks.
La Jolla Covering Repository
A database of good covering designs constructed by Dan Gordon.
Mathworld - Golomb Ruler
Description and theory, with references to additional reading.
Orthogonal Arrays
A library of over 200 orthogonal arrays maintained by N. J. A. Sloane.
Orthogonal Arrays
Lists of orthogonal arrays, difference schemes and experimental design tools maintained by Warren F. Kuhfeld.
StatLib - Designs Archive
With programs and algorithms for creating designs for statistical experiments.
The Hadamard Maximal Determinant Problem
List of known {-1,1}-matrices with largest determinant and D-optimal designs.
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