Question

The triangular number sequence is the number of dots in each triangular pattern. The first triangle has just one dot. The second triangle has three dots. The third triangle has 6 dots. To find the dots for the nth triangle, you can use the formula: number of dots = n(n+1) / 2 Write a complete python program that prompts the user for a non-negative whole number n. Then your program should create a list called dots that contains triangular number sequence from first triangle to nth triangle. For example, if the the user enters 4 as the input, the dots list will be: dots = [1, 3, 6,10]

          The triangular number sequence is the
number of dots in each triangular pattern. The
first triangle has just one dot. The second
triangle has three dots. The third triangle has 6
dots. To find the dots for the nth triangle, you
can use the formula: number of dots = n(n+1) / 2
Write a complete python program that
prompts the user for a non-negative whole
number n. Then your program should create a
list called dots that contains triangular number
sequence from first triangle to nth triangle. For
example, if the the user enters 4 as the input,
the dots list will be: dots = [1, 3, 6,10]

The triangular number sequence is the
number of dots in each triangular pattern. The
first triangle has just one dot. The second
triangle has three dots. The third triangle has 6
dots. To find the dots for the nth triangle, you
can use the formula: number of dots = n(n+1) / 2
Write a complete python program that
prompts the user for a non-negative whole
number n. Then your program should create a
list called dots that contains triangular number
sequence from first triangle to nth triangle. For
example, if the the user enters 4 as the input,
the dots list will be: dots = [1, 3, 6,10]

Added by Phillip C.

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