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A071853 Numbers n such that for any x, C(2x,x) never has n distinct prime factors. 1
11, 38, 51, 70, 84, 92, 107, 147, 155, 167, 279, 310, 326, 354, 377, 403, 469, 475, 489, 534, 588, 607, 619, 669, 685, 687, 710, 783, 805, 820, 848, 898, 947, 1010, 1101, 1207, 1332, 1467, 1481, 1520, 1556, 1578, 1738, 1744, 1796, 1802 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..46.

FORMULA

n such that Card ( x : A067434(x) = n ) = 0

CROSSREFS

Sequence in context: A100842 A057664 A279770 * A072313 A063146 A139276

Adjacent sequences:  A071850 A071851 A071852 * A071854 A071855 A071856

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Jun 09 2002

EXTENSIONS

More terms from Naohiro Nomoto, Jun 16 2002

STATUS

approved

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Last modified November 17 05:27 EST 2019. Contains 329217 sequences. (Running on oeis4.)