👉 In mathematics, a sesquialteral number is a type of integer that can be expressed as the sum of two or more distinct integers. These numbers are defined by the property that they satisfy the equation: \[ x + (x+1) = 2y \] where \( x \) and \( y \) are integers, and \( x \geq 0 \). For example, in the number 65, we can express it as the sum of two distinct