134225

Appears in sequences

• Least k with precisely n partitions k = x + y satisfying x > 0 and k' = x' + y', where k', x', y' are the arithmetic derivatives of k, x, y.at n=11A212664
• a(n) = (1/24)*n*((4*n + 3)*(2*n^2 + 1) - 3*(-1)^n).at n=25A325656
• a(n) = (16/3) * squared area of a triangle with sides prime(n), prime(n+1), and prime(n+2).at n=6A330096