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A140489 Numbers that cannot be part of the trajectory of any number under repeated application of the map: n -> n + second-smallest number that does not divide n, unless they are the first term of the trajectory. 9
1, 2, 3, 5, 12, 15, 17, 24, 27, 29, 35, 36, 39, 41, 45, 48, 51, 53, 60, 63, 65, 72, 75, 77, 84, 87, 89, 95, 96, 99, 101, 105, 108, 111, 113, 120, 123, 125, 132, 135, 137, 144, 147, 149, 155, 156, 159, 161, 165, 168, 171, 173, 180, 183, 185, 192, 195 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..57.

CROSSREFS

Cf. A140485-A140488.

Sequence in context: A271227 A293696 A002139 * A331101 A193776 A051915

Adjacent sequences:  A140486 A140487 A140488 * A140490 A140491 A140492

KEYWORD

nonn

AUTHOR

Jacques Tramu, Jun 25 2008

STATUS

approved

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Last modified October 2 01:30 EDT 2022. Contains 357191 sequences. (Running on oeis4.)