A071265 - OEIS

A071265

Numbers which can be written in exactly two different ways as k + R(k) where R(k) is k reversed (A004086).

22, 33, 165, 176, 202, 222, 242, 262, 282, 302, 303, 322, 323, 342, 343, 362, 363, 382, 383, 403, 423, 443, 463, 483, 1515, 1535, 1555, 1575, 1595, 1615, 1616, 1635, 1636, 1655, 1656, 1675, 1676, 1695, 1696, 1716, 1736, 1756, 1776, 1796, 2002, 2871, 3003

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

The sums are unordered, so for example 12 + 21 is not counted as distinct from 21 + 12. - Sean A. Irvine, Jul 06 2024

LINKS

Table of n, a(n) for n=1..47.

Index entries for sequences related to Reverse and Add!

EXAMPLE

22 = 11 + 11 = 20 + 02, 202 =101 + 101 = 200 + 002.

CROSSREFS

Cf. A071264, A071266, A067030, A067032, A067033, A067034.