What is the next number in the series - 4, 7, 12, 20, 33, 54, 88, 143, 232, 376, ?

Question

Find the number that comes next in the following series:

3, 7, 12, 14, 16, 19, 21, 25, 30, 41, 45, 52, 54, 56, 59, 61, 65, 70, ?

Answer 1

609

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Every next term (starting from third one) is equal to sum of previous 2 terms plus 1, so the missing one will be 232+376+1= 609