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A130520 Sum {0<=k<=n, floor(k/5)} (Partial sums of A002266). +0
3
0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 7, 9, 11, 13, 15, 18, 21, 24, 27, 30, 34, 38, 42, 46, 50, 55, 60, 65, 70, 75, 81, 87, 93, 99, 105, 112, 119, 126, 133, 140, 148, 156, 164, 172, 180, 189, 198, 207, 216, 225, 235, 245, 255, 265, 275, 286, 297, 308, 319, 330, 342, 354, 366 (list; graph; listen)
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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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