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A032088
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Number of reversible strings with n beads of 5 colors. If more than 1 bead, not palindromic.
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1
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5, 10, 50, 300, 1500, 7750, 38750, 195000, 975000, 4881250, 24406250, 122062500, 610312500, 3051718750, 15258593750, 76293750000, 381468750000, 1907347656250, 9536738281250, 47683710937500
(list; graph; refs; listen; history; internal format)
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