[seqfan] Re: Add the largest invisible digit

[Hans Havermann]

a(16173530) = 123456781
a(16173531) = 123456790
a(16173532) = 123456798
a(16173533) = 123456798 ...

> On Apr 14, 2015, at 7:41 AM, Eric Angelini <Eric.Angelini at kntv.be> wrote:
> 
> a(1)=1
> a(n)=a(n-1)+"the largest invisible digit of a(n-1)"
> 
> S=1,10,19,27,36,45,54,63,72,81,90,98,105,114,123,...