

A070790


Integers n such that the 'Reverse and Add!' trajectory of n joins the trajectory of 3.


2



3, 6, 12, 15, 21, 24, 30, 33, 39, 42, 48, 51, 57, 60, 66, 69, 75, 78, 84, 87, 93, 96, 132, 159, 165, 177, 219, 231, 258, 264, 276, 318, 330, 357, 363, 375, 417, 429, 456, 462, 474, 516, 528, 555, 561, 573, 579, 615, 627, 654, 660, 672, 678, 699, 714, 726, 753
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..57.
Index entries for sequences related to Reverse and Add!


EXAMPLE

The trajectory of 6 is part of the trajectory of 3; the trajectory of 375 joins the trajectory of 3 at 9768 after 3 steps.


MATHEMATICA

limit = 10^3; x = NestList[ # + IntegerReverse[#] &, 3, limit];
Select[Range[753],
Intersection[NestList[ # + IntegerReverse[#] &, #, limit],
x] != {} &] (* Robert Price, Oct 20 2019 *)


CROSSREFS

Cf. A070788, A070789, A070791  A070798, A063049.
Sequence in context: A191267 A145204 A016051 * A114614 A016052 A323649
Adjacent sequences: A070787 A070788 A070789 * A070791 A070792 A070793


KEYWORD

base,nonn


AUTHOR

Klaus Brockhaus, May 07 2002


STATUS

approved



