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A002447
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Expansion of 1/(1-2*x^2-3*x^3).
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1
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1, 0, 2, 3, 4, 12, 17, 36, 70, 123, 248, 456, 865, 1656, 3098, 5907, 11164, 21108, 40049, 75708, 143422, 271563, 513968, 973392, 1842625, 3488688, 6605426, 12505251, 23676916, 44826780, 84869585, 160684308
(list; graph; refs; listen; history; internal format)
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