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A070798 Integers n such that the 'Reverse and Add!' trajectory of n joins the trajectory of 111. 10
111, 123, 147, 210, 222, 246, 321, 345, 420, 444, 543, 642, 741, 789, 840, 888, 987, 1002, 1005, 1596, 1686, 1776, 1866, 1956, 2001, 2004, 2595, 2685, 2775, 2865, 2955, 3000, 3003, 3009, 3099, 3189, 3279, 3369, 3459, 3549, 3594, 3639, 3684, 3729, 3774 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
It appears that the first differences of this sequence are always a multiple of 3. - Robert Price, Oct 20 2019
LINKS
EXAMPLE
The trajectory of 222 is part of the trajectory of 111; the trajectory of 2004 joins the trajectory of 111 at 66066 after 7 steps.
MATHEMATICA
limit = 10^2; x = NestList[ # + IntegerReverse[#] &, 111, limit];
Select[Range[3774],
Intersection[NestList[ # + IntegerReverse[#] &, #, limit],
x] != {} &] (* Robert Price, Oct 20 2019 *)
CROSSREFS
Sequence in context: A280636 A034840 A135643 * A235039 A279423 A213879
KEYWORD
base,nonn
AUTHOR
Klaus Brockhaus, May 07 2002
STATUS
approved

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Last modified March 28 16:58 EDT 2024. Contains 371254 sequences. (Running on oeis4.)