Pagina:Opere matematiche (Cremona) II.djvu/219

$n\equiv 2\quad ({\mbox{mod.}}\,4)$

$x_{1}=0$,	${\tfrac {n}{2}}-5$
$x_{3}=7$,	0
$x_{4}={\tfrac {n}{2}}-5$,	0
$x_{\frac {n+2}{4}}=0,$	7
$x_{\frac {3(n-2)}{4}}=0,$	1
$x_{n-4}=1$,	0

$x_{1}=1$,	${\tfrac {n}{2}}-3$
$x_{2}=3$,	0
$x_{3}=2$,	0
$x_{4}={\tfrac {n}{2}}-3$,	0
$x_{\frac {n-2}{4}}=0,$	1
$x_{\frac {n+2}{4}}=0,$	3
$x_{\frac {n-2}{2}}=0,$	1
$x_{\frac {n}{2}}=0,$	2
$x_{n-4}=1,$	0

$x_{1}=3$,	${\tfrac {n}{2}}-2$
$x_{2}=3$,	0
$x_{4}={\tfrac {n}{2}}-2$,	0
$x_{\frac {n-2}{4}}=0,$	3
$x_{\frac {n+2}{4}}=0,$	1
$x_{n-4}=1$,	0

$x_{1}=4$,	${\tfrac {n}{2}}-3$
$x_{3}=3$,	0
$x_{4}={\tfrac {n}{2}}-3$,	0
$x_{\frac {n-2}{4}}=0,$	3
$x_{\frac {n+2}{4}}=0,$	4
$x_{\frac {3n-2}{4}}=0,$	1
$x_{n-4}=1$,	0

$n\equiv 3\quad ({\mbox{mod.}}\,4)$

$x_{1}=0$,	${\tfrac {n-7}{2}}$
$x_{2}=3$,	0
$x_{3}=3$,	0
$x_{4}={\tfrac {n-7}{2}}$,	0
$x_{\frac {n+1}{4}}=0,$	3
$x_{\frac {n+5}{4}}=0,$	1
$x_{\frac {n-1}{2}}=0,$	3
$x_{n-4}=1$,	0

$x_{1}=1$,	${\tfrac {n-9}{2}}$
$x_{3}=6$,	0
$x_{4}={\tfrac {n-9}{2}}$,	0
$x_{\frac {n+1}{4}}=0,$	6
$x_{\frac {n+5}{4}}=0,$	1
$x_{\frac {3n-5}{4}}=0,$	1
$x_{n-4}=1$,	0

$x_{1}=2$,	${\tfrac {n-5}{2}}$
$x_{2}=3$,	0
$x_{3}=1$,	0
$x_{4}={\tfrac {n-5}{2}}$,	0
$x_{\frac {n-3}{4}}=0,$	1
$x_{\frac {n+1}{4}}=0,$	3
$x_{\frac {n-1}{2}}=0,$	2
$x_{\frac {n+1}{2}}=0,$	1
$x_{n-4}=1$,	0

$x_{1}=5$,	${\tfrac {n-5}{2}}$
$x_{3}=2$,	0
$x_{4}={\tfrac {n-5}{2}}$,	0
$x_{\frac {n-3}{4}}=0,$	2
$x_{\frac {n+1}{4}}=0,$	5
$x_{\frac {3n-1}{4}}=0,$	1
$x_{n-4}=1$,	0