Re: Special primes

On Sun, 24 Jul 2005 15:02:34 EDT, bischar <bisch_a_r@xxxxxxxx> wrote:

>For every prime numbers m and n, with n and m consecutive and n<m, we have m²-n² ending with only 0, 2 or 8.
>
>The only digit ending two consecutive 'm²-n²' is 0... and if you suppress the numbers 'm²-n²' with 0 as last digit you see a suite 'm²-n²' ending with 2, 8, 2, 8, 2, 8, 2, 8, never two 2 or 8 consecutively... (verified for 5<m<10000).
>
>Funny no ?
>
>Do you see a logic or a reason for that ?
>
>Can you verify it automatically for greater primes ?

A fascinating pattern.

The pattern is true for 5<n<10^6.

There may be an easy explanation but I don't see it.

quasi
.