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A008457 Sum_{ d >= 1, d divides n} (-1)^(n-d)*d^3. +0
5
1, 7, 28, 71, 126, 196, 344, 583, 757, 882, 1332, 1988, 2198, 2408, 3528, 4679, 4914, 5299, 6860, 8946, 9632, 9324, 12168, 16324, 15751, 15386, 20440, 24424, 24390, 24696, 29792, 37447, 37296, 34398, 43344, 53747, 50654, 48020, 61544, 73458 (list; graph; listen)
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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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