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| For OGR-24 phase 1, there are approximately 6,000,000 "5-stubs" per pass (it is planned to have two complete passes for verification purposes). Each of these stubs has a variable number of nodes, ranging from fewer than 900,000 nodes to more than 150,000,000,000 nodes per stub. The 3D surface plots at http://www.distributed.net/statistics/ogr/ show the range and predictability of the number of nodes within any given 5-stub. The horizontal axes within those surface plots represent the first two numbers in the stubs that are distributed, that is the "x" and "y" in "24/x-y-?-?-?"; while the height of the plot represent the number of nodes within the completed stub.
Keep in mind that the number of nodes within a given stub has absolutely no relation to the "shortness" or "optimality" of the ruler that the project is looking for. The node count merely represents the number of golomb ruler possibilities that were checked within that stub's prefix, of which any single one has a chance of being a golomb ruler that is more optimal than what is currently known.
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