Find the next three terms of the series;1, 4, 9, 18, 35 - - - - -
68, 133, 262
62, 88, 264
34, 140, 120
38, 160, 240
Explanation:
2121 - 1 = 1
2222 + 0 = 4
2323 + 1 = 9
2424 + 2 = 18
2525 + 3 = 35
So 2626 + 4 = 68, 2727 + 5 = 133, 2828 +6 = 262
Answer is 68, 133, 262.