A070791 Integers n such that the 'Reverse and Add!' trajectory of n joins the trajectory of 5.

5, 10, 11, 13, 17, 20, 22, 26, 31, 35, 40, 44, 53, 62, 71, 79, 80, 88, 97, 115, 142, 158, 170, 176, 185, 214, 241, 257, 275, 284, 313, 329, 340, 356, 374, 383, 412, 428, 455, 469, 473, 482, 511, 527, 554, 568, 572, 581, 599, 610, 626, 649, 653, 667, 671, 680

Offset

1,1

Links

Table of n, a(n) for n=1..56.

Index entries for sequences related to Reverse and Add!

Example

The trajectory of 10 is part of the trajectory of 5; the trajectory of 340 joins the trajectory of 5 at 88088 after 7 steps.

Mathematica

limit = 10^3; x = NestList[ # + IntegerReverse[#] &, 5, limit];
Select[Range[680],
 Intersection[NestList[ # + IntegerReverse[#] &, #, limit],
x] != {} &] (* Robert Price, Oct 20 2019 *)

Crossrefs

Cf. A070788 - A070790, A070792 - A070798, A063049.

Sequence in context: A028760 A028807 A242994 * A173901 A016084 A007618

Adjacent sequences: A070788 A070789 A070790 * A070792 A070793 A070794

Keyword

base,nonn

Author

Klaus Brockhaus, May 07 2002

Status

approved