A070790 Integers n such that the 'Reverse and Add!' trajectory of n joins the trajectory of 3.

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

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