0,3

If 9 occurs anywhere except at the start of the number it is replaced by 0, but an initial 9 is replaced by 10. - N. J. A. Sloane, Mar 27 2009

Table of n, a(n) for n=0..50.

6543 -> 7654

2109 -> 3210

98765 -> 109876, etc.

Cf. A061511.

Sequence in context: A216556 A331975 A068860 * A247107 A061511 A138142

Adjacent sequences: A158696 A158697 A158698 * A158700 A158701 A158702

nonn,base

Ruben Gil, Mar 26 2009

approved