[ω^ω^ω]

s1=1+1/2+1/3+1/4+・・・・
(1/2)s1=1+1/3+1/5+1/7+・・・・

s2=1+(1/2)^2+(1/3)^2+(1/4)^2+・・・・
(3/4)s2=1+(1/3)^2+(1/5)^2+(1/7)^2+・・・・

偉そうに批判してみろ。