21 Nov
2002
21 Nov
'02
4:08 p.m.
The number of representations of n as a sum of 8 squares also is expressed in terms of elementary number theoretic functions. n d 3 r8(n) = 16 (-1) sum (-1) d . d|n __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus Powerful. Affordable. Sign up now. http://mailplus.yahoo.com