204800000

Appears in sequences

• a(0) = 0; for n > 0, a(n) = n^n*2^((n-1)^2).at n=5A007701
• Denominators of partial sums of a series for the inverse of the arithmetic-geometric mean (agM) of 2/sqrt(5) and 1.at n=5A130040
• a(n) = Product_{k=1..d(n)-1} lcm(b(k), b(k+1)), where b(k) is the k-th positive divisor of n and d(n) = the number of positive divisors of n.at n=39A136182
• a(n) = n^5*H(n) where H() is the Hurwitz class number.at n=40A297122
• Number of solutions to x^n == 1 (mod n!).at n=49A318576