A261908 Numbers of the form |m - R(m)| for m in A035137, where R(m) denotes the digit-reversal of m.

9, 90, 99, 180, 189, 270, 279, 360, 369, 450, 459, 540, 549, 630, 639, 720, 729, 810, 819, 900, 990, 999, 1089, 1179, 1269, 1359, 1449, 1539, 1629, 1719, 1728, 1800, 1809, 1908, 1980, 2079, 2088, 2268, 2358, 2448

Offset

1,1

Comments

Created in an attempt to understand A035137. It would be nice to have an independent definition of these numbers. Obviously they are multiples of 9 - see A261909.

Links

Table of n, a(n) for n=1..40.

Example

21, 102, 1031 are some early terms in A035137, so this sequence contains 21-12=9, 201-102=99, 1301-1031=270.

Crossrefs

Cf. A002113, A035137, A261909.

Sequence in context: A078248 A186943 A217402 * A121029 A097256 A061478

Adjacent sequences: A261905 A261906 A261907 * A261909 A261910 A261911

Keyword

nonn,base

Author

N. J. A. Sloane, Sep 09 2015

Status

approved