for n=3, 8!*3^7*((24!)/(4!)^6)^(1/4*((n-1)*(n-3)+cos^2((n*pi)/2)))*(24!)^(1/2*(n-2-sin^2((n*pi)/2)))*(12!*2^10)^(sin^2((n*pi)/2))*1/24^(cos^2((n*pi)/2))

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