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Search: id:A054657
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| A054657 |
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Number of leaves on the rooted tree of height n constructed by the following rule. Assign weight 1 to the single node at height 1. At each node of weight w at height k>0, branch to nodes at height k+1 as follows: one node of weight 1 and a node of weight d+1 if d divides w. |
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+0
1
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| 1, 2, 5, 13, 35, 94, 255, 691, 1876, 5092, 13829
(list; graph; listen)
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