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A032122
Number of reversible strings with n beads of 5 colors.
+0
5
5, 15, 75, 325, 1625, 7875, 39375, 195625, 978125, 4884375, 24421875, 122078125, 610390625, 3051796875, 15258984375, 76294140625, 381470703125, 1907349609375, 9536748046875, 47683720703125
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Maintained by
N. J. A. Sloane
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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.
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