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A032261
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Number of bracelets with n labeled beads of 3 colors.
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0
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3, 9, 27, 243, 2916, 43740, 787320, 16533720, 396809280, 10713850560, 321415516800, 10606712054400, 381841633958400, 14891823724377600, 625456596423859200, 28145546839073664000, 1350986248275535872000
(list; graph; refs; listen; history; internal format)
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