A series is given: 1, 3, 6, 21, 88, 445, 2676. One term in the series is wrong. Identify the wrong term and then, starting from that wrong term, form ...
Question
A series is given: 1, 3, 6, 21, 88, 445, 2676. One term in the series is wrong. Identify the wrong term and then, starting from that wrong term, form a new series using the pattern where starts from 1 for the wrong term. Find the IVth term of this new series.