1 or 2, and the natural numbers k and k j ( 0 5 j 5 s) are less than 6 . 3); c s i ( 9 ,a ) ns;,( 9 ,a ) e ( - a n / q ) , a(q,n) = ~ ( q ) - ~ - ' 8 ( p ,k ) 8 ( p ,k ) + 2, + 1, p e ( ~ 7 k ) > 2 7 and h 2 2, or when p 5 5 and proof. 1, since k j < 6 (0 5 j 5 s). 3. assume that ( p ,n). one also has t h 