A070797 -id:A070797 - cp's OEIS frontend

A070798 Integers n such that the 'Reverse and Add!' trajectory of n joins the trajectory of 111.

111, 123, 147, 210, 222, 246, 321, 345, 420, 444, 543, 642, 741, 789, 840, 888, 987, 1002, 1005, 1596, 1686, 1776, 1866, 1956, 2001, 2004, 2595, 2685, 2775, 2865, 2955, 3000, 3003, 3009, 3099, 3189, 3279, 3369, 3459, 3549, 3594, 3639, 3684, 3729, 3774

Offset: 1

Klaus Brockhaus, May 07 2002

It appears that the first differences of this sequence are always a multiple of 3. - Robert Price, Oct 20 2019

			The trajectory of 222 is part of the trajectory of 111; the trajectory of 2004 joins the trajectory of 111 at 66066 after 7 steps.

Index entries for sequences related to Reverse and Add!

Cf. A070788 - A070797, A063049.

limit = 10^2; x = NestList[ # + IntegerReverse[#] &, 111, limit];
Select[Range[3774],
 Intersection[NestList[ # + IntegerReverse[#] &, #, limit],
x] != {} &] (* Robert Price, Oct 20 2019 *)

A070796 Integers n such that the 'Reverse and Add!' trajectory of n joins the trajectory of 106.

Original entry on oeis.org

106, 152, 179, 205, 251, 278, 304, 350, 377, 379, 403, 476, 478, 479, 502, 509, 575, 577, 578, 601, 608, 674, 676, 677, 700, 707, 773, 775, 776, 806, 872, 874, 875, 905, 971, 973, 974, 1019, 1054, 1060, 1082, 1093, 1109, 1144, 1150, 1172, 1183, 1199

Offset: 1

Klaus Brockhaus, May 07 2002

			The trajectory of 707 is part of the trajectory of 106; the trajectory of 775 joins the trajectory of 106 at 48884 after 5 steps.

Index entries for sequences related to Reverse and Add!

Cf. A070788 - A070795, A070797, A070798, A063049.

limit = 10^3; x = NestList[ # + IntegerReverse[#] &, 106, limit];
Select[Range[1199],
 Intersection[NestList[ # + IntegerReverse[#] &, #, limit],
x] != {} &] (* Robert Price, Oct 20 2019 *)

cp's OEIS Frontend

A070798 Integers n such that the 'Reverse and Add!' trajectory of n joins the trajectory of 111.

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