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A053485
Denominators in expansion of exp(2x)/(1-x).
+0
3
1, 1, 1, 3, 1, 15, 45, 21, 315, 2835, 4725, 22275, 93555, 2027025, 42567525, 638512875, 212837625, 2170943775, 13956067125, 618718975875, 9280784638125, 14992036723125, 7522320180375, 49308808782358125, 147926426347074375
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Maintained by
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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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