IIT JEE SEQUENCES AND SERIES Find the sum `1+4+13+40+121+dot` - YouTube
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1, 4, 13, 40, 121, ?? What is the next number in the given series? Series Puzzle! - YouTube
SOLVED: What is the next number in the sequence 1, 4, 13, 40, ..., if the rule for the sequence is "multiply the previous term by 3 and add 1".a. 131b. 121c. 111d. 91