What pattern is 3 6 12 21 33?

Answer 1

The next number in the pattern is 48. This pattern adds multiples of three to the existing number.

3 + (3 x 0) = 3

3 + (3 x 1) = 6

6 + (3 x 2) = 12

12 + (3 x 3) = 21

21 + (3 x 4) = 33

33 + (3 x 5) = 48

etc.

Answer 2

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