The next term is 939.
Each term is one less than (4 times the previous term).
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4 15 59 235 939 3755 15019 etcThe numbers increase by multiplying by 4, then subtracting 1 from the answer.This can be seen by visual comparison of the first three numbers. That the fourth number follows this sequence can be checked by using a calculator.So what is the next number?And, if you are really clever, what number comes before the 4?
The next number in the sequence 3-15-6-30-21 is -207.
5
The next number in the sequence would be 25.
10 The sequence is given by xn = 60/n