Date: May 19, 2013 5:46 AM
Author: spamslayer19@gmail.com
Subject: Re: skipping some i, j , ... values in Table
Others will chime in with more elegant solutions, but I believe this does what you wanted:

f @@@ Select[

Flatten[Table[{i, j}, {i, 1, 10}, {j, 1, 10}],

1], ! PrimeQ@(Plus @@ #) &]

That gives a list of f[i,j] where i+j aren't prime.

On Saturday, May 18, 2013 1:38:24 AM UTC-5, Andre Hautot wrote:

> Hi,

>

> Suppose I need a list, Flatten[Table[something[i,j],{i,10},{j,10}]],

>

> where some combinations of indices i and j are voluntarily missing under

>

> a known condition (for example, stupid I know, when i+j is a prime).

>

> How can I do that ?

>

> Thanks in advance,

>

> ahautot