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Search: id:A061787
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| A061787 |
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Sum_{k=1..n} (2k-1)^(2k-1). |
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+0 1
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| 1, 28, 3153, 826696, 388247185, 285699917796, 303160806510049, 438197051187369424, 827678458937524133601, 1979247334119251113257580, 5844566265720101772494382001, 20886312566113632136127527292568
(list; graph; listen)
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