43824

Appears in sequences

• Triangle with T(n,k) = k*E(n,k) where E(n,k) are Eulerian numbers A008292.at n=38A065826
• Triangle read by rows: T(n,k) = (2*k - n)*A008292(n,k) with T(n,n) = n, 0 <= k <= n, where A008292 is the triangle of Eulerian numbers.at n=51A141693
• Triangle read by rows. The Hadamard product of A173018 and A349203.at n=51A363154
• Number of integer partitions of n that contain at least one even part and whose halved even parts are relatively prime.at n=42A366845
• a(n) = Sum_{1 <= x_1, x_2, x_3 <= n} gcd(x_1, x_2, x_3, n)^3.at n=19A372928