841 
1 
ha 1M 9» tg—1 % oo 21 P (9, 
Ee ee Ss Ss, FL) 
did Se : hn, In, {log a ul rol i: 
dh v,2,"=1, 0,7," zl, v‚v‚)” 
da=ls 
1 
ym tno? 
te Oe 
log x 
Write again down a series consisting of / integers prime to /: 
and not containing two numbers, which are congruent to each other 
with regard to the modulus /; give to /, successively each value 
of this series and determine for every value of /, a number /, by 
the congruence 
Ll=1; 
the / relations, thus obtained, added, give in the left member 
x F(d,) F(d.) 
dd, <x 
didl 
and in the right member 
1 1 
b?m(n, =| n‚)e m RL an xm we me —2 
an In B mg: 
h>n!n,! log x Og © 
where 
Ee EE ACAFACA 
en SE 
L bt Paik et 
0,2," =l, Cece == (5 (v,v,) m 
x ie 2 a } i 
=r mars = and Ae) Fal). 
Dil eis Lb Ti Vg 
van =} v m ve ml, 
h 
For every value of v, exactly i incongruent values for 
) 
to be found for which the congruence 
vz,” os l, 
has roots, hence 
h Ied 
oath Be, Aas) = 5 PACA ACAM) 
Lies Att UyUg=U 
h ‘ ae 
we = ID Ss 7 
d\v d 
_A 5 
ne zj, 
v 1 2 “ig — l, 
S| 
Dd 
Proceedings Royal Acad. Amsterdam. Vol. XIX. 
/ 
‚ are 
