1580040

Appears in sequences

• Triangle read by rows: Joffe's central differences of zero, T(n,k), 1 <= k <= n.at n=18A241171
• Joffe's central differences of 0: A241171(n,n-2).at n=4A241172
• Highly composite numbers of class 4 (see comment in A275239).at n=36A275242
• a(n) = Pochhammer(n, 5) / 2.at n=18A293615
• 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=19A332030
• Numbers k where records occur for d(k)/d(k+1), where d(k) is the number of divisors of k (A000005).at n=32A372092