A091369 a(n) = sum_{i=1..n} eulerphi(i)*ceil(n/i).

1, 3, 7, 12, 20, 27, 39, 50, 64, 77, 97, 112, 136, 155, 177, 200, 232, 255, 291, 318, 350, 381, 425, 456, 500, 537, 581, 620, 676, 713, 773, 820, 872, 921, 979, 1026, 1098, 1153, 1215, 1270, 1350, 1403, 1487, 1550, 1618, 1685, 1777, 1840, 1930, 1999, 2081, 2156