A090979 From the sequence of natural numbers, go on deleting n smallest multiples of n (>n) not deleted earlier; a(n) = the largest number deleted.
2, 6, 15, 24, 40, 60, 70, 112, 135, 180, 165, 276, 247, 378, 420, 480, 408, 648, 513, 800, 819, 946, 782, 1248, 1125, 1378, 1404, 1596, 1189, 1950, 1364, 2176, 2079, 2414, 2415, 2880, 1998, 3002, 3081, 3640, 2460, 3948, 2709, 4180, 4320, 4416, 3196, 5376
Offset: 1
Crossrefs
Cf. A090980.
Extensions
More terms from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Jul 23 2004