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A089957
Number of chess positions that can be obtained in exactly one way in n plies.
+0
3
1, 20, 400, 1862, 9825, 53516, 311642, 2018993, 12150635, 69284509
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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