

A227913


Sum of all k from {1,...,n} such that the fractional part of n/k is contained in the open interval (1/4, 3/4).


1



0, 0, 2, 3, 5, 4, 10, 14, 15, 20, 20, 29, 37, 43, 38, 49, 63, 66, 85, 71, 83, 102, 116, 125, 118, 146, 153, 162, 176, 179, 193, 223, 246, 253, 233, 254, 295, 315, 326, 339, 355, 342, 418, 418, 405, 446, 474, 493, 506, 518, 539, 612, 602, 631, 598, 644, 700
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