Preparation. 1. Combine first 6 ingredients in a large bowl, stirring with a whisk. Add watermelon and next 5 ingredients (through tomatoes); toss gently. Cover and refrigerate 2 hours or until thoroughly chilled. Sprinkle with goat cheese just before serving.
Numbers (of objects) that can be arranged into a square array are called square numbers. Not a square number: Square arrays must be full if we are to count the number as a square number. Here are 12 pennies arranged in a square, but not a full square array. The number 12 is not a square number.
A square number, also called a perfect square, is a figurate number of the form, where is an integer. The square numbers for, 1, ... are 0, 1, 4, 9, 16, 25, 36, 49, ... (OEIS A000290). A plot of the first few square numbers represented as a sequence of binary bits is shown above.