A104341 Numbers n such that n -(digital reversal of n) = 9.

10, 21, 32, 43, 54, 65, 76, 87, 98

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). Starting with n=2, A104341(n) = digital reversal of A104341(n-1).

Examples

			98-89=9.
		

Links

• Tanya Khovanova, Non Recursions

Crossrefs

Cf. A104340, A346261.

Programs

Mathematica

npdrnQ[n_]:=n-FromDigits[Reverse[IntegerDigits[n]]]==9; Select[Range[100], npdrnQ] (* Harvey P. Dale, Apr 04 2013 *)

Formula

n -(digital reversal of n) = 9