Question 7
Find the sum of all the numbers in the series below:
1, 2, 2, 3, 3, 3, 4, 4, 4, 4, …, 7, 7, 7.
Interpret the ellipsis by continuing the shown repetition rule: each integer from 1 through 7 occurs as many times as its value. The three printed 7s are only the visible end of the final group.
1, 2, 2, 3, 3, 3, 4, 4, 4, 4, …, 7, 7, 7.
Interpret the ellipsis by continuing the shown repetition rule: each integer from 1 through 7 occurs as many times as its value. The three printed 7s are only the visible end of the final group.