A070793 Integers n such that the 'Reverse and Add!' trajectory of n joins the trajectory of 9.

9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 198, 297, 396, 495, 594, 693, 792, 891, 990, 1017, 1035, 1044, 1089, 1107, 1125, 1134, 1179, 1215, 1224, 1269, 1305, 1314, 1359, 1404, 1449, 1539, 1629, 1719, 1809, 1899, 1989, 2016, 2034, 2043, 2088, 2106, 2124

Offset

1,1

Links

Table of n, a(n) for n=1..48.

Index entries for sequences related to Reverse and Add!

Example

The trajectory of 18 is part of the trajectory of 9; the trajectory of 1215 joins the trajectory of 9 at 40293 after 3 steps.

Mathematica

limit = 10^3; x = NestList[ # + IntegerReverse[#] &, 9, limit];
Select[Range[2124],
 Intersection[NestList[ # + IntegerReverse[#] &, #, limit],
x] != {} &] (* Robert Price, Oct 20 2019 *)

Crossrefs

Cf. A070788 - A070792, A070794 - A070798, A063049.

Sequence in context: A259729 A016096 A335978 * A052223 A085132 A111708

Adjacent sequences: A070790 A070791 A070792 * A070794 A070795 A070796

Keyword

base,nonn

Author

Klaus Brockhaus, May 07 2002

Status

approved