[seqfan] Re: A000108(n) ≡ 1 (mod 6)

Emmanuel Vantieghem emmanuelvantieghem at gmail.com
Wed Dec 9 10:31:51 CET 2015


Maybe this can help : start your columns at the first row using zeros.


2015-12-08 4:08 GMT+01:00 L. Edson Jeffery <lejeffery2 at gmail.com>:

> Emmanuel,
>
> With all respect, it seems that you are saying that the conjecture is true
> because it is true. We know (Gauss) that 2 is a primitive root modulo 3^k,
> for every k >= 1, and, for n>0, that 2^n modulo 3^k and 3^k are relatively
> prime, and that the sequence {2, 2^2, 2^3, ...} taken modulo 3^k is
> periodic, and that the period is 2*3^(k-1). Having stated those facts, how
> do we conclude that the periodicity of column k and the relative frequency
> of the digits 0,1,2 both follow as a consequence?
>
> Ed Jeffery
>
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