A070792 Integers n such that the 'Reverse and Add!' trajectory of n joins the trajectory of 7.

7, 14, 19, 23, 28, 29, 32, 37, 38, 41, 46, 47, 49, 50, 55, 56, 58, 64, 65, 67, 73, 74, 76, 82, 83, 85, 89, 91, 92, 94, 98, 110, 121, 136, 143, 187, 220, 235, 242, 286, 334, 341, 385, 433, 440, 484, 532, 569, 583, 631, 668, 682, 719, 730, 767, 781, 818, 866, 869

Offset

1,1

Links

Table of n, a(n) for n=1..59.

Index entries for sequences related to Reverse and Add!

Example

The trajectory of 14 is part of the trajectory of 7; the trajectory of 235 joins the trajectory of 7 at 8872688 after 13 steps.

Mathematica

limit = 10^3; x = NestList[ # + IntegerReverse[#] &, 7, limit];
Select[Range[869],
 Intersection[NestList[ # + IntegerReverse[#] &, #, limit],
x] != {} &] (* Robert Price, Oct 20 2019 *)

Crossrefs

Cf. A070788 - A070791, A070793 - A070798, A063049.

Sequence in context: A102041 A232488 A351063 * A178893 A340162 A006507

Adjacent sequences: A070789 A070790 A070791 * A070793 A070794 A070795

Keyword

base,nonn

Author

Klaus Brockhaus, May 07 2002

Status

approved