A070793 -id:A070793 - cp's OEIS frontend

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

Klaus Brockhaus, May 07 2002

			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.

Index entries for sequences related to Reverse and Add!

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

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

A070794 Integers n such that the 'Reverse and Add!' trajectory of n joins the trajectory of 100.

Original entry on oeis.org

100, 101, 103, 107, 188, 193, 200, 202, 206, 287, 292, 299, 301, 305, 386, 391, 398, 400, 404, 485, 490, 497, 503, 584, 596, 602, 683, 695, 701, 709, 782, 794, 800, 808, 881, 893, 907, 980, 992, 1034, 1069, 1076, 1124, 1159, 1166, 1214, 1249, 1256, 1291

Offset: 1

Klaus Brockhaus, May 07 2002

			The trajectory of 101 is part of the trajectory of 100; the trajectory of 485 joins the trajectory of 100 at 61105 after 5 steps.

Index entries for sequences related to Reverse and Add!

Cf. A070788 - A070793, A070795 - A070798, A063049.

limit = 10^3; x = NestList[ # + IntegerReverse[#] &, 100, limit];
Select[Range[1291],
 Intersection[NestList[ # + IntegerReverse[#] &, #, limit],
x] != {} &] (* Robert Price, Oct 20 2019 *)

cp's OEIS Frontend

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

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