502200

Appears in sequences

• a(n) = ((2^b-1)/phi(n))*Sum_{d|n} Moebius(n/d)*d^(b-1) for b = 5.at n=17A160894
• Triangular array read by rows: T(n,k) is the number of ordered set partitions of {1,2,...,n} with exactly k singletons, n>=0, 0<=k<=n.at n=47A187784
• Square array read by antidiagonals: T(m,n) (m>=0, n>=0) are the coefficients in an expansion of the Weierstrass sigma-function.at n=13A188797
• Row 1 of array in A188797.at n=3A188799