m>7. f(m) : last number for m. f(1)=1,f(2)=2,...,f(7)=5, ...,
jinjing
2012-06-21 12:04:10
( reads)
f(8)=4,f(10)=9,f(12)=12.We can get any f(m) by formula, in fact,we have to us CP for big m.