Question

Find the next term in the series: 2, 5, 14, 41, x

Answer 1

x = 2y + y - 1 where y is the current number in the series and x is the subsequent number

2 * 2 + 2 - 1 = 5
2 * 5 + 5 - 1 = 14
2 * 14 + 13 - 1 = 41
2 * 41 + 41 - 1 = 122