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Search: id:A015490
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| A015490 |
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a(0)=1, a(1)=5, a(n) = sum_{k=0}^{k=n-1} 5^k a(k). |
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| 1, 5, 26, 676, 85176, 53320176, 166678870176, 2604524025370176, 203481044006070370176, 79484986295915244420370176, 155244193344195757673779920370176
(list; graph; listen)
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