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A108480
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Expansion of (1-x-2x^2)/(1-2x-3x^2-4x^3+4x^4).
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1
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1, 1, 3, 13, 35, 117, 379, 1197, 3859, 12357, 39563, 126845, 406371, 1302101, 4172443, 13369293, 42838835, 137266917, 439837739, 1409354397, 4515934339, 14470215157, 46366299963, 148569565165, 476055153491, 1525403341701
(list; graph; refs; listen; history; internal format)
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