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A357451
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Number of compositions (ordered partitions) of n into tribonacci numbers 1,2,4,7,13,24, ... (A000073).
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2
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1, 1, 2, 3, 6, 10, 18, 32, 57, 101, 179, 318, 564, 1002, 1778, 3157, 5603, 9947, 17656, 31342, 55635, 98759, 175308, 311191, 552400, 980571, 1740625, 3089803, 5484750, 9736045, 17282576, 30678512, 54457808, 96668726, 171597851, 304605465, 540708924
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OFFSET
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0,3
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LINKS
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FORMULA
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G.f.: 1 / (1 - Sum_{k>=3} x^A000073(k)).
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MATHEMATICA
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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