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A118896 Number of powerful numbers <= 10^n. +0
1
1, 4, 14, 54, 185, 619, 2027, 6553, 21044, 67231, 214122, 680330, 2158391, 6840384, 21663503, 68575557, 217004842, 686552743, 2171766332, 6869227848, 21725636644, 68709456167, 217293374285, 687174291753, 2173105517385, 68722847672628 (list; graph; listen)
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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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