File:16 choose 2 array.svg

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Original file (SVG file, nominally 576 × 576 pixels, file size: 1 KB)

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Summary

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Description
8 choose 2 for comparison

Array of the two-element subsets of a 16-element set (Binomial coefficient, Triangular number)

In each square 2 of 16 positions are highlighted by longer rectangles.
Date
Source Own work
Author
Watchduck
You can name the author as "T. Piesk", "Tilman Piesk" or "Watchduck".

Code simplified by Sarang
Other versions
This representation better captures the symmetry of the pairs. The right of the rectangular array corresponds to the top of the equilateral triangle. (So the thicker lines in both files do not match.)

Licensing

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Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Date/TimeThumbnailDimensionsUserComment
current17:28, 7 June 2012Thumbnail for version as of 17:28, 7 June 2012576 × 576 (1 KB)Watchduck (talk | contribs)simplification from Sarang
21:45, 5 June 2012Thumbnail for version as of 21:45, 5 June 2012576 × 576 (99 KB)Watchduck (talk | contribs)

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