P^2+Σ2P

F is Fibonacci number. Fm divide Fn, and m divide n. F2=F0+F1=0+1=1 F3=F1+F2=1+1=2 F4=F2+F3=1+2=3 n=3m → F(2,8,34,144,610,2584,10946,・・・) ∴ Fm=F3=2 n=4m → F(3,21,144,987,6765,・・・) ∴ Fm=F4=3 n=5m → F(5,55,610,6765,・・・） ∴ Fm=F5=5 This is fractal and expansion .