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

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

Offset: 1

Author

Zak Seidov, Mar 02 2005

Keywords

• base
• nonn
• fini
• full

Comments

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

Examples

			98-89=9
		

Links

• Tanya Khovanova, Non Recursions

Crossrefs

Cf. A104341.

Programs

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 *)