A070797 - OEIS

A070797

Integers n such that the 'Reverse and Add!' trajectory of n joins the trajectory of 108.

108, 126, 144, 153, 162, 171, 180, 189, 207, 225, 243, 252, 261, 270, 279, 288, 306, 324, 342, 351, 360, 378, 387, 405, 423, 441, 450, 477, 486, 504, 522, 540, 549, 576, 585, 603, 621, 648, 675, 684, 702, 720, 747, 774, 783, 801, 846, 873, 882, 900, 909

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OFFSET

1,1

COMMENTS

It appears that the first differences of this sequence are always a multiple of 9. - Robert Price, Oct 20 2019

LINKS

Table of n, a(n) for n=1..51.

Index entries for sequences related to Reverse and Add!

EXAMPLE

The trajectory of 909 is part of the trajectory of 108; the trajectory of 126 joins the trajectory of 108 at 4069593 after 12 steps.

MATHEMATICA

limit = 10^3; x = NestList[ # + IntegerReverse[#] &, 108, limit];