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Search: id:A068705
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| A068705 |
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Concatenation n,(n-1)^2, (n-2)^3,(n-3)4,...2^(n-1) and 1. |
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+0 1
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| 1, 21, 341, 4981, 51627161, 6256481321, 736125256243641, 84921662510247291281, 96434312963125409621872561, 108151224017776156251638465615121
(list; graph; listen)
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