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Search: id:A068671
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| A068671 |
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Define f(n,k) = floor[n/k] and a(n) = right concatenation of f(n,k) for k = 1 to int[(n+1)/2] or until one arrives at a 1. |
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| 1, 21, 31, 421, 521, 6321, 7321, 84221, 94321, 1053221, 1153221, 12643221, 13643221, 147432221, 157533221, 1685432221, 1785432221, 18964332221, 19964332221, 2010654322221, 2110754332221, 22117543322221, 23117543322221
(list; graph; listen)
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