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Search: id:A138278
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| A138278 |
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Sequence identical to its thid differences in absolute values: a(2n)=3a(2n-1)-3a(2n-2)+2a(2n-3)), a(2n+1)=3a(2n)-3a(2n-1) n grth 1. |
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| 1, 2, 4, 8, 16, 24, 40, 80, 120, 200, 400, 600, 1000, 2000, 3000, 5000, 10000, 15000, 25000, 50000, 75000, 125000, 250000, 375000
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