The sequence seems to be following a pattern of adding consecutively increasing odd numbers to each term.
2 + 1 = 3
5 + 3 = 8
10 + 5 = 15
17 + 7 = 24
Therefore, a2 (the second term) would be 5.
What is the value of a2 in the sequence?
2, 5, 10, 17, ...
1 answer
1 answer