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

1,1

Links

Table of n, a(n) for n=1..48.

Crossrefs

Cf. A090980.

Sequence in context: A227210 A177442 A349687 * A050508 A033298 A153274

Adjacent sequences: A090976 A090977 A090978 * A090980 A090981 A090982

Keyword

nonn,easy

Author

Amarnath Murthy, Jan 23 2004

Extensions

More terms from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Jul 23 2004

Status

approved