A090980 From the set of numbers > 1, go on deleting n smallest numbers relatively prime to n that were not deleted earlier; a(n) = the largest number deleted.

2, 5, 8, 15, 17, 35, 27, 47, 50, 73, 64, 103, 87, 131, 134, 163, 148, 217, 180, 251, 248, 293, 264, 359, 318, 399, 386, 461, 420, 569, 474, 585, 580, 657, 636, 761, 676, 813, 796, 911, 832, 1039, 910, 1083, 1072, 1171, 1090, 1313, 1194, 1399, 1334, 1489, 1384

Offset

1,1

Links

Table of n, a(n) for n=1..53.

Crossrefs

Cf. A090979.

Cf. A081964.

Sequence in context: A017988 A282444 A103077 * A329603 A309546 A261543

Adjacent sequences: A090977 A090978 A090979 * A090981 A090982 A090983

Keyword

nonn,easy

Author

Amarnath Murthy, Jan 23 2004

Extensions

More terms from David Wasserman, Feb 23 2006

Status

approved