m@main=readLn>>=print.(!!1).f>>m f n|n<2=[n,1]|a:b:_<-f$div n 2=[2*a*b-a^2|even n]++[mod(x*a+b^2)$10^9|x<-[a,2*b]]
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
download
return to the top page