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Search: id:A075560
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| A075560 |
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a(1) = 1, a(n) = smallest number greater than the previous term which can not be obtained as the sum of products of any group of earlier terms. |
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+0 1
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| 1, 2, 4, 10, 22, 50, 106, 230, 480, 1054, 2656, 6782, 17254
(list; graph; listen)
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