What number comes next in the series: 3, 8, 23, 68, 203, ?

💡 Solution & Explanation

Each term is the previous term × 3 − 1: 3 × 3 − 1 = 8, 8 × 3 − 1 = 23, 23 × 3 − 1 = 68, 68 × 3 − 1 = 203. So the next term is 203 × 3 − 1 = 608.