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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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 1 04:06 EDT 2020. Contains 337441 sequences. (Running on oeis4.)