1362160800

Appears in sequences

• Greatest 6th-power-free divisor of n!.at n=13A248772
• Triangle read by rows, T(n,k) = ((-1)^k*(2*n)!/4^k)*P[n,k](1/((2*n-1)*(2*n))) where P is the inverse P-transform, for n>=0 and 0<=k<=n.at n=33A269943
• Triangle read by rows, T(n,k) = ((-1)^k*(2*n)!/4^k)*P[n,k](1/((2*n-1)*(2*n))) where P is the inverse P-transform, for n>=0 and 0<=k<=n.at n=34A269943
• Expansion of e.g.f. Product_{k>=0} 1/(1 - x^(2^k)/2^k).at n=12A306947
• a(n) is the product of the distinct positive numbers whose binary digits appear in order, but not necessarily as consecutive digits, in the binary representation of n.at n=21A332030
• Least integers of their prime signature (A025487) whose average number of distinct prime factors of their divisors is an integer.at n=27A346015