A104340 Numbers n such that (digital reversal of n) - n = 9.

12, 23, 34, 45, 56, 67, 78, 89

Offset

1,1

Comments

The sequence is complete: there is no other such number (in base 10).

Links

Table of n, a(n) for n=1..8.

Tanya Khovanova, Non Recursions

Example

98-89=9

Mathematica

Select[Range[1000], FromDigits[Reverse[IntegerDigits[#]]]-#==9&] (* Harvey P. Dale, Aug 26 2011 *)
Select[Range[1000], IntegerReverse[#]-#==9&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Oct 28 2017 *)

Crossrefs

Cf. A104341.

Sequence in context: A088783 A029756 A346508 * A367362 A136414 A017401

Adjacent sequences: A104337 A104338 A104339 * A104341 A104342 A104343

Keyword

base,nonn,fini,full

Author

Zak Seidov, Mar 02 2005

Status

approved